BULLETINS OF AMERICAN PALEONTOLOGY VOL XXVIII 1943-44 Paleontological Research Institution Ithaca, U New York S A (*JUfc 251944 3/H I » * * T » CONTENTS OF VOLUME XXVIII Bulletin No 109 Studies of Paleozoic Nautiloidea I-VII By Rousseau H Flower 110 Three Forks Fauna in Plates Pages 1-6 1-140 141-158 the Lost River Range, Idaho By Ewart M Baldwin 111 112 113 114 _ Contributions to the Paleontology of Northern Peru Part VII The Cretaceous of the Paiti Region By Axel A Olsson 8-24 Notes on Eocene Gastropods, chiefly Claibornian By Katherine V W Palmer 25-26 New Foraminiferal Genera from the Cuban Middle Eocene By W Storrs Cole and Pedro J Bermudez 27-29 The Larger Foraminifera from San Juan de los Morros, State o" Guarico, Venezuela By C M Bramine Caudri 30-34 Index _ 159-304 305-330 331-350 351-404 405-412 BULLETINS OF AMERICAN PALEONTOLOGY VOL XXVIII NUMBER I09 19-3-3 Paleontological Research Institution Ithaca, New York U S A Condensed Table of Contents of Bulletins of American Paleontology and Pal^ontographica Americana* bulletins of american paleontology Volume I (Nos 1-5) 354 pp., 32 pis $ 8.00 Mainly Tertiary Mollusca II III 10.00 (Nos 6-10) 347 pp., 23 pis Tertiary Molluscs and Foraminifera, Paleozoic faunas (Nos 11-15) 402 pp., 29 pis Mainly Tertiary Mollusca and Paleozoic sections and faunas IV (Nos 16-21) MI pp., 26 pis 8.00 -, - 5.00 Mainly Tertiary Mollusca and sections of Paleozoic sections and faunas V (Nos 22-20) 407 pp., 68 pis Tertiary fossils mainly Santo 8.00 Domingan, Mesozoic and Paleozoic fossila 268 pp., 59 pis Claibornian Eocene pelecypods VI (No 31) VII 6.00 (No 32) 7?0 pp 30 ;>ls 12.00 Claibornian Eocene scaphopods, gastropods and cephalopods VIII (Nos 33-36) 357 pp., 15 pis 5.00 Mainly Tertiary Mollusca IX (Nos 37-39) 4C2 pp., 35 pis 7.00 Tertiary Mollusca mainly from Costa Rica X (Nos 40-42) 382 pp., 54 pis Tertiary forams and mollusks mainly from T -inldad and Paleozoic fossils XL (Nos 43-46) 272 pp., 41 Tertiary, Mesozoic and pis 8.00 5.00 Paleozoic fossils mainly from Venezuela XII (Nos 47-48) 494 pp., pis 6.00 Venezuela and Trinidad forams and Mesozoic invertebrate bibliography XIII (Nos 49-50) 264 pp., 47 pis 6.00 Venezuelan Tertiary Mollusca and Tertiary Mammalia XIV (Nos 51-54) 306 pp., 44 pis Mexican Tertiary forams and Tertiary mollusks of Peru and Colombia * :ion Complete titles and piice All volumes available liat of ail 6.60 numbers may be had on apphca- BULLETINS OF AMERICAN PALEONTOLOGY Vol 28 No 109 STUDIES OF PALEOZOIC NAUTILOIDEA I II III Tissue remnants in the CERAS A piiragmocone of Rayonno- THE DEVONIAN OF GOXIOCERAS FROM VIRGINIA WERNEROCERAS I- VII IN NEW YORK IV Investigations of actinosiphonate ceptialopods New Ordovician cephalopods from eastern North America VI Some Silurian cyrtoconic cephalopods from Indiana with notes on stratigraphic problems VII Annulated orthoceraconic genera of Paleozoic NauV TILOIDS By Rousseau H Flower Museum University of Cincinnati August 10, 1943 Paleontological Research Institution Ithaca, New York U S A nw CONTENTS Text Page I Tissue Remnants in the Phragmocone of Rayonnoceras text (Pp 5-13; fig pi 1; 1, pars.) Abstract Introduction — Rayonnoceras R malloti Flower, n sp — — 10 12 - 13 References II Werneroceras in the Devonian of New (Pp 14-21; pi 1, pars.) Abstract Introduction _ York 14 - - Stratigraphic position Werneroceras References III A Gonioceras from plebiforme - — (Hall) 21 Virginia (Pp 21-29; — Abstract Introduction pi 2, pars.) - Distribution of Gonioceras in America Gonioceras hubbardi Flower, n sp References IV Investigations of Actinosiphonate Cephalopods _ (Pp 30-67; text fig 2; pis 2-6, pars.) _ Abstract — _ Introduction _ Structure of actinosiphonate deposits Chazyan actinosiphonate cephalopods Valcouroceras Flower, n gen V bovinum Flower, n sp — V obesum Flower, n sp _ V cyclops Flower, n sp - V cf V., sp V., sp Bipectinate — seeleyi 14 14 15 19 21 (Ruedemann) - actinosiphonate deposits - - 21 21 22 2G 29 30 30 30 35 37 43 45 46 47 48 49 50 51 2) ( 53 55 57 62 64 "7 Actinomorpha Flower, n gen A pupa Flower, n sp V New Aetinosiphonate deposits of Archiacoceras Discrete annulosiphonate deposits Conclusions References Ordovician Cephalopods of Eastern North America (Pp 68-82; text fig 3; 68 pis 2, 4-5, pars.) Actinoceras Bronn Actinoceras arcuanotum Flower, Eorizoceras Flower, n gen ._ E platyceroides Flower, n sp Eo' ripte oceras Flower, n gen E minutum Flower, n sp Graeiloceras Flower, n gen G longidomum Flower, n sp Centrocyrtoceras Foerste C mozolai Flower, n sp Trocholites Conrad T ruedemanni Flower, n sp T gracilis Flower, n sp References 68 68 69 70 71 71 72 74 75 75 76 79 81 82 n sp - VI Seme Silurian Cyrtoccnic Cephalopods of Siratigraphic Problems _ (Pp 83-101; with notes on Indiana 83 Pis 1-5, pars.) Abstract Introduction Silurian cephalopod faunas in Indiana Pentameroceras Hyatt P cumingsi Flower, n sp Tetrameroceras Hyatt T faberi Flower, n sp Laureloceras Flower, n gen L cumingsi Flower, n sp References _ 83 83 83 89 93 95 95 97 98 100 VFI Annulated Orthoceraconic Genera of Paleozoic Nautiloids (Pp _ 102 102-128.) Abstract Introduction Proposed generic names _ Genera proposed by Shimizu and Obata Family Spyroceratidae _._ _ Family Hammelloceratidse Family Cycloceratidae Family Eskimoceratidae Genera proposed by Shimizu and Obata for shells of the external aspect of Spyroceras (Spyroceratidae and Hammelloceratidae Shimizu and Obata) _ Eospyroceras _ Hypospyroceras _._ _._ Subspyroceras _ _ _ _ Ana spyroceras Cedarvilloceras Ccr:.yoccras _ _ 102 102 103 110 110 111 111 111 Ill ill 113 113 H4 115 H6 PLATE s (34) Bulletin 114 54 Explanation of Plate 23 2-L (34) Page Figure 22 404 Ranikothalia tobleri (V and C.) Vertical section of very flat specimen with evolute final whorl Solid walls, well-developed marginal plexus and a few vertical canals in the axial region G.s.s ; 30 X_ Ranikothalia antillea (Hanz.) Solid walls, Vertical section of typical thick lenticular form G.125c; marginal plexus, vertical canals in axial region 30 X Ranikothalia soldadensis (V and C.) inal part of excentric vertical section Solid walls, highly developed marginal plexus and wide vertical canals in cents,,! region G.s.s.; 30 X Ranikothalia antillea (Hanz.) Ltrii iizontal sections showing the low whorls and the solid structure of the vails G.153; 30 X Ranikothalia soldadensis (V and C.) 22, Ismail specimen (or perhaps " B tobleri (V and C.) forma Wide whorl of roundB"), oblique horizontal section toppi completely lined with a thin solid imbers that u • a mil e ehambe] e ivitj from the maze of canals in ginal pi xus G.91b; 30 X — 22 22 23 ': 25 26 I i 22 23 Pl 34, Vol 28 Bull Amer Paleont No 114, Pl Index to Volume XXVIII Note: -Light face figures refer to the volume paging and not to the paging of the separate bulletins Heavy face figures refer to the volume plate numbers pupa Abderospira aldrichi 324 324 25 chipolana Acleistoceras jonesi Acta?onella limestones - 18 173 171 kalkstein Actinoceras arcuanotum kentuckiense 68 30, 36, 53, 58, 62 Agoniatites nodiferis , 17, vanuxemi — Allumettoceras Alpenoceras occidentale ulrichi — Amotape Range 39 58 166, 168 Amphicyrtoceras penultimuim Amphistegina cf, lopeztrigoi ~ Ampullina breccia cumara 16, - 16 Anatimya Anchura pacifica Anomia, sp _ 13 21 174, Antigona, Aphrodina sp pacifica speciosa tippana - auca cf anstralis 175, 175, 175, 22 105, 110, 114, 122, tortuga Anaspyroceras 174, _ - 14 14 174, 212, 11 174, , 69 64 18 17 69 58 canaliculata elaborata _ meekana meekana splendida 25 millegrana ornata sabinia texcarolina 25 textilina Armenoceras, n sp rooki cf 377 2hb 256 255 256 125 202 250 198 213 213 215 215 213 214 213 25 193 AustrosphenodiscusPaciceras shales 318 315 320 313, 321 319 317 87 405 55 cookei 30, 32, 33 357, 364, 376, 380 soldadensis 365, 374, 378, 380 stephensoni 365, 377 85 Atrypa 150 contracta _ 100 reticularis 154 Athyris angelicoides 154 coloradoensis 144 parvula vitatta 146, 154 Aulopora Austrosphenodiscus peruviana 313, 315 313, 315, 320 314, 316 53, 380 380 380 380 88 35 Apsidoceras Area asquilateralis 64 Archiacoceras _ 52, 62, 30, 60 57, subventricosum 5, 6, 40 ventricosum _ Architectonica acuta 313, 316, 318 51, macei Athecocyclina Actsonellen-Rudisten- Actinomorpha Asterorbis aguayoi havanensis 16 266 267 24 173 B Baculites cf anceps _ argentinicus 262 263 lyelli _ 23 176, 262, 264 262 ornatus 262 vagina vagina cazadorianus 263 zones 173, 179 Baldwin, E M _ On Three Forks fauna of Idaho Barrandeoceras Bassleroceras _ Beloitoceras - 141 76 73, 108, 122 39 Biekmorites bickmor- eanum 87 371 34 323 380 124 107 194 Biplanispira Bolloceras Bonellitia ulmula Borelis cardenasensis Brachycycloceras normale Breviarca perovalis peruviana 194 33, pompeyense Bulla aldrichi Bullina chipolana Bumastus 174, 193 10 subovalis Brevicoceras 63, 40, 65 63 324 324 , 85, 100 Volume XXVIII On Cuban Eocene foram 333 genera Calliostoma elaiborn- ianum ii cf 308 26 248 311 aperta rasa 219 24S pileolus trochiformis alyptraphorus hopkinsi 22, 175 amagueyia perplexa 27 146, Camarotoechia contracta 254, < gibbosum nordeggi cf shimeri 146, 146, 7 sp ?Camerina eubensis — 370, 370, dicker soni matleyi 370, 370, pellatispiroides vermunti Cancellaria quadrata _ ulmula 11 Carbactinoeeras Cardita beaumonti Cardium ? abnormalis 263 208 174 210 211 210 174 211 209 234 107 125 107 12 briiggeni 335 150 146 150 150 144 380 380 369 372 380 323 323 caudatum lissoni mellisuim procerum Carolia parinensis Catoraphiceras lobatum Caudri, C M B On Foraminifera from San Juan de Morros los Cedarvilloceras Centroceras marcellense Centrocyrtoceras mozolai S56 110 ulmulum Oorbicula meridiona11 ls 174, 205 pullastra Corbula broggii 175, 223 _ 18 22, 68, 75 75 75 245 241 245 245 169 146 166, 168 ebinius _ Chsetetes Chara Valley tuma 380 sis 103 Ctenoceras 78 Curtoceras 104, 124 Cyclendoceras Cycloceras 103, 104, 106, 108, 123, 124 ? 120 111, 119 Cycloclypeus Oymbophora ashburnerii Cyrtina Cyrtoceras annulatum _ conoidale subannulatum Cyrtorizoceras Cyrtospirifer animasen- 32, 842 218 85, 100 75 31 75 98 88, 146 153 147 146 sii disjunctus monticola whitneyi whitneyi animasensis 152 ni _ - 107 213 Cytherea auca D Dalmanites Danaoceras (corrected) Dania curasavica Danoceras subtrigonum Dawsonoceras 85, 100 25, 104, 36, 51, 110, aequilonare 385 177 Clavulina shales f'leiothvridina devonica 83, bridgeportense granti hammeli Clitendoceras Coahuilites peruviana 24 146,154 108 122 267 267 sheltoni S., manchuriense Cycloceratida? americanum s o riu s W 223 309 309 Crisposcala crispa 26 failianum Cryptasterorbis cuben- Cibicides prajcur- le, 206 13 13 Cyrtospyroceras reiman- belgicum hispidum inauguratum Cerros de Aspereria 336 84 323 323 Conradoceras Coptostoma ra.meum 25 115, 124 rotundum Cerithium 17 17 Coleolus aciculatum _ crenatocinctum _ Conulites americanus and Bermudez, P J hyatti nodocostatum n sp Dictyoconus _ americanus -JUG 88, _ 29 57 207 64 52 124 114 85 115 88 117 115 115 100 386 336 Index Diestoceras pyri torn 31, i scalare Discoceras Discocyclina aguerre- verei " 32, 31, 357 33, !66, 376, 380 378, 380 barkeri blanpiedi bullbrooki cookei crassa 31 - : 377 363, 385 - 364 378 362, 364, 376 cristensis grimsdalei 361, 378 380 377 weaver: 377 weaveri parvipapillata 88 Discosorus Dolorthoceras 104, 107 Dowlingoceras 56 Dv.ightoceras 73 73 Dvscritoceras E texanum Ectinochilus cherokense planus Eleusoeeras Eirodocera* indianense 322 322 65 63, 84, 100 100 342 342 340, 341 - sp n Eoannialaria eocenica 27 Ecconuloides wellsi 27 Eodict voconus eubensis 27, 28, _ Eorizoceras platvceroides ' Eotriptoceras minutum Epitonium failianum 26 mcglameria; 26 Ill, boreale Eskimoceratida? Euoimphalus eurekensis 69 112 G9, 68, Eskimoceras 122 71 309 310 120, 123 105 111, 120 146 144 Eutrochus claiborniaxi- um -_ Exocy : ocei 26 a pra ponderosa ian ' i ? calappa G Geisonoceras teichert _ Geisonoceroides Genera proposed by Shimiu and Obata Geology of Paita Peninsula Gervillia aviculoides sec' Flower, On 22 : H tissue rem incertans Gigantoceras Glauconia cordalis 22 Glorioclava inca 19 Glossocardia stephen soni 24 Glossophora obesa 107, 124 111, 119 166 196 174, 196 85 237 244 174, 204 204 87 89 56 22, 28 23, 27 22, 30, mirum Gonioceras anceps angulatum chaziense 308 33 201 21 26 26 kayi 23 occidentale 56 occidentale homerense 23 wullfi 24 Gorbyoceras 110, 116, 122, 123 clinboni 125 Graciloceras _ 72, 73, 98 longidomum _ 72 68, holtedahli hubbardi 259 242 258 21, _ Granosolarium meekana 25 meekana splendida ornata texcarolina i 14 21 Virginia On actinosiphonate cephalopods 30 On new Ordovician 08 cephalopods On Silurian cyrtoconic 83 cephalopods On annulated orthocera102 cones Foersteoceras.— 32, 65, 111, 120, 124 Fusinus ? corbis 16 259 259 Fusus difficilis newberryi 257 F Fasciolaria Werneroceras On Gonioceras from groenlandicum 110, 111, Eospyroceras On New York Devon- Gomphoceras 336 104 108 57 29 Endoceras annulatum monsensis Endoplectcceras Rayonnoceras 64 62 63 78 25 Gunteria floridana pceras validum inelegans 316 318 331 319 334 63 85 Gyroscala mcglameri310 4:i7 Volume XXVIJI R H — 324 Kayoceras 89, 117 110, 116, 117, 123 Kionoceras 87 110 cf scammondi Haramelloceratidae 87 86 cf strix Harrisoceras ignotum _ 111, 121, 124 85 Kogenoceras laurelense 87 monocameratum — L 87 La Mesa _ obstructum 169, 171, 173 10 Lapeirousia nicholasi orthoceroides 206 84, 100 Latirus tribulus reevesi 176, 258 22 265 Laureloceras cumingsi 83, 97, 98 Helicoceras 387 Helicolepidina 99 howardi 97, 85, 390 nortoni 99 85, nashvillense — 97, 390 388, spiralis 108, 122 Lecanospira 340 Lcchritroehoceras Helicostcgina 388 dimorpha 88 desplainense 311 Helix amarula 86 waldronense 85 Legumen peruvianum 13 Heracloceras abruptum 174, 216 85 Leirorhynchus cf elrodi 18 Hercoccras 151 athabascense _ 65 36, Herkimeroceras 146 dunbarense 371 Heterospira 151 cf dunbarense Heterostegina operculin146 joffersonense 388 oides 17 limitare _ 362, 386 Hexagonocyclina 146 nadisonense 377 cristensis gibbomadisonense 31 357, 363, 376, 378 meandrica 151 sum 87 Hexameroceras 146 utahense ventricosum 88 cacabiforme 151 _ cf walcotti 311 Lcpidocyclina cedarkeyHipponix pygmseus 311 sylvmrupis 389 sensis 310 - 28 vagus 388 aff cedarkeysensis Hippurites cornupas389 claiborncnsis 207 toris 390 favosa 25 121 Huronia 389 390 pustulosa 110 113 Hypospyroceras 390 tobleri 108 122 Kystricurus 389 cf trinitatis 390 subglobosa I 390 undosa 211 Incacardium mellisum 12 390 yurnagunensis 192 Icanopsis 387 174 193 Lepidorbitoides acariformis 11, 12 380 aguayoi 217 Ican o t 380 cubensis 217 impar 380 havanensis 174 216 pacifica 380 raacei 164 Iddingsella 380 macgillavryi 164 Iddingsia 380 minima 375 "Inoceramus" 380 palmeri 197 Inoceramus balticus cf planasi 197 cripsi 30, 31, 32 357, 366 376 378 197 cripsi radians 380 rooki 196 cripsianus 380 rutteni 197 regularis 380 rutteni armata 196 sp A _ I pptodesma chillen8 174 197 sp B sis 146, 155 Inversoceras Haminea aldrichi Hammeloceras _ — — - i ; i : — , 408 , Index Leurocycloceras bucheri franklinense cr niagarense raymondi - _ 5, - 104, 126 84, 100 85 87 104 342 259 199 173 148 — — Linderina Lissapiopsis unicarinata Lopha Lower Breccias Loxopteria obliquum 176, 261, 16 22 Neumatoceras nutans Nodifaunus co status nuttalli nuttalli kohaticus sindensis _ _ thalicus gwynse 23 174, 220 217 175 O Olsson, A A 88 17 177 380 175, 235 311 312 195 144 227 175, 226 winteri Melina woodsi Meristella cf barrisi Mcsalia fasciata janja 17 Metarmenoceras 10 etasyproceras 105, 110, 112 117, 122, 125 i c h e linoceras swarthi Minganoceras subturbinatum 30, Miscellanea antillea matleyi miscella soldadensis stampi 42, 368, 369, 372, 368, 369, tobleri Mitroceras Monte Grande shales Montyoceras titaniforme Mulinoides chica 14 217, chicama Mytilus signatus 174, 69 18 64 37 372 371 371 373 371 372 32 176 48 217 219 217 194 N Nredyceras "Nautilus" oceanus 19 19 Nummulites M Macleurina logani Macrodonax peruviana Mactra ashburnerii Mai Paso formation _ Mandaloceras wabashense Marcrochilina viarssonella oxycona ? Meandropsina rutteni Mclanatria medialis 19 Melania 107 245 175, 224 224 56 54, 54 241 243 242 386 367 368 368 368 _ nodosus lense Lyria concha M 124, 126 Nerinsea inauguratuni— 16 Nerita jayanca uimzambienaia Lunulicardium marcel- '.i 176 Negritos shales Neocycloceras _ On Cretaceous of Paita, Peru 163 Oir.phalocyclina macro- pora Oncoceras 32, seeleyi Oocerina Oonoceras Operculina bermudezi 32, 32, catenula sindensis Operculinoides catenula Orbitoides apiculata browni palmeri Ormoceras , n sp O r th o ce ras amycus anellum annulatum arcuoliratum ~ bilineatum clathratum crotalum gorbyi hammelli olorus pseudocalamiteus rugosum simulator teretiforme tretiforme 34, 34, 369, 370, 380 39 48 64 98 380 372 368 370, 372 380 380 380 10 100 102 86 114 104 111 118 110 104 116, 118 118 "4 "5 103 86 86 113 Orthophragmina 63, 65 85 409 crassa cubensis 386 386 Volume XXVIII marginata Orthostrombus tortugensis Ostrea paipa sechura stappenbeeki Ovoceras oviforme Oxygonioceras 8, 11 386 253 253 174, 198 174, 199 174, 199 33 Peruvia Phragmoceras angustum 18 wabashense 87, 32 99 P Pachendoceras Pachyphyilam 108, 122 _ Paciceras gerthi pacific-urn 23 24 149 268 270 176, 176, 289 170 Paita Cretaceous _ _ 111, 119 122 Paleocycloceras Palmer, K V W On Claiborne Eocene 307 gastropods 16 Panenka aft', ventricosa 222 11 Panope frailia bicinctum projectura - Phragmoceratites subventricosum Platyclymenia americana 34 santosi endymion 23 Parinana americana Parinomya 176, 19 parinensis _ - Patella cornucopia Pedalion woodsi 174, 368, - Pellatispira crassicolumnata glabra inflata irregularis maderaszi matleyi orbitoidea rutteni Pellatispirella — antillea 89 Pentameroceras byronense cumingsi depressum rarum Perigrammoceras Periploma nermeta _ 94 92, 92 88, 83, 94 89, 92, 94 93, 103, 108, 124, 126 _ 10 174, 202 Peruarca pectunculoides Perucardia bruggeni 10 12 Perustrombus tortugensis wheeleri 369, 266 266 265 247 248 234 310 195 387 371 371 371 371 371 369 371 371 372 _ 21 21 190 174, 191 209 210 252 253 175, 252 HO 164 88 87 95 87 57 148 312 Porteroceras 116, 118, 123 244 Previcarya peruviana 19 144 Productella, sp 146 cf coloradensis Plotia iineata Proteus haldemani 17 Prolobites-Platycly148 menis-Stufe 385 Proporocyclina tobleri Proiocycloceras 103, 111, 119, 122, 125 103 arckj - Paraconradoceras Parapachydiscus dos- 34, Pro okionoceras, aff myrice otophragmoceras Pseudeskimoceras _ PsoudocuculUsa greg- sp 84, 100 sp n 87 57 ;' oryi paitana idomelania simplex 19 Pseudorbitoides israel- trechmanni 124 174, 189 174, 189 175, 224 bitolina cuben- loi 336 340 sis marthse - Pseudophragmina tob- _ Pugnax, altus 120, 380 380 skii leri Ill, 385 sp minutus pugnus Pugnellus mis densatus hamulus tumidus - 146, 152 152 152 152 eyprsefor- ? Pulvinulinella obtusa Pyrazus pentagonatus peruvianus 20 pyramidatus 254 250 251 251 385 241 175, 241 241 Q Quiriquina beds 165 R Radiolites nicholasi sandstones Ranikothalia 208 179 367, 387 antillea 30, 32, 33, 34, 357, 370, 372, 376 Index bermudezi tm 1 al meekanum 371 371 i 371 soldadensis 33, C4 357, 37;,, 377 371 34 357, 371, 372, 377 Rayonnoceras , bassleri buffaloense 11 girtyi malotti solidiforme 10 11 13 12 12 11 12 - vaughanianum p] Rhinotamides rudis 20 Rhipidomella vanuxemi Rhombopsis orientalis microstriatus Richardcor.oceras Rimella texana plana Rostellaria plana Roudaireia auressensis briiggani Drui intermedia jamaicensis peruviana peruviana 22 S Salina formation 167 168 Saman sandstone Sauvagesia peruviana Scabrotrigona 174, 206 Scalpellum Schizophoria striatula australis 144, Schroederoceras Schuchertella chemung7 Sechura Miocene Sechurina australis Sachuritella 14 terebracincta Septifer acutus Solariaxis 18 18 20 delphinuloides L04, 103, 152 177 108, 110, 12 ; L2 116 I 114 lima middlevillense ippletum orientale portari thestor 113 117 114 118 115 105 110 - ruedemanni Spyroceratidae Spiroclypeus Stalioa agnia deschiensi loplasmo erina : otoceras _._ Striaccceras typum 387 19 175, 225 i : ; :a i thielei Strombus canalis 32 Styliolina fissurella ispyroceras i i L10 Sulcopereulina dickersoni 122 370 380 ipanotomus murica- 20 tus Syringothyris 175, 240 143, 14 T alara shale Tectus tschudi Tellidora burneti : 10 13 168 215 ?15 934 175, 235 175, 235 195 312 247 peruana 13 Tetranii roceras ciiscrepans bellatulum bicinctum deshayesi faberi 1, insolitum problematicum rimosum 1C7 224 221 174, 221 221 174, 221 95 95 95 95 infaustum loveni 11 LI i Tell i pi u "a 313 321 L46 144 146, 150 Solarium canaliculatitm peruana ensis arctostriata chacapoya 147 78 fritzi 2(10 309 310 176 152 mondi crotalum ';•! — us ani- clintoni S1 riar stonense I whitneyi monticola -'piroplectamina grzybowskii _ Spyroceras Ii 203 174, 202 Rucdemannoceras Scala pretiosa Scalaria commutata a; vvhitneyi ?,57 98 322 322 165 174, 203 203 203 203 105 is 39, iana ipirifer di ijum r.iasensis 23 144 175, 239 148 257 en o ia ; 89, talis - ti i isi ii Receptaculites occidenReticularia, sp ! 31 phe no discus i thaiica tobleri ornal inn _ 95 95 95 95 95 Volume XXVIII 95 vetus Thianassa coconia Thiara aldrichi scabra Tofangoceras huroniforme Tol'angocerina Torgnellus — 175, 238 _ 20 311 312 105, 111, 120, 123 121 106, 124 250 21 175, 251 26 peruviana Tornoceras Torreina torrei Tortucardia „_ 24 stephensoni Tortucerithium textilis Tortuga Treptoceras Trigonia bartrami crenulata gerthi hopkinsi _ _ 16 380 204 174, 204 169, 173 110, 116, 123 10 10 174, parva sieversi subcrenulata tocaimaana Tripteroceras Trocholites ammonius canadensis circularis dyeri faberi - gracilis 68, 78, internastriatus minusculus planorbiformis ruedemanni Trocholitoceras Trochus conulus perspectivus Trocotaulax elegans 20 _ Tubiferoceras 68, 175, gilberti linearo 30 "-Tubifonr: ooliths" Turbo scalaris Turritella bartsia — 22 bosworthi ceiba chira desolata dickersoni 18 _ 22 inuya 20 lama 17 lissoni nasuta parinensis prtecincta 175, 18 175, 175, 175, 175, 201 201 200 201 201 201 201 201 39 76 76 77 77 77 77 81 77 77 77 78 76 308 313 238 89 87 87 374 309 233 234 230 230 232 235 231 228 232 318 233 235 prechira 17 prelissoni rina _ saposa - 23 25 175, 230 175, 231 321 175, 229 17 230 321 176, 265 soaresana wechesensis Turrilites peruvianus 24 U Upper Breccia zone 179 85 Uranoceras V Vaginoceras oppletum _ Valcouroceras 30, 36, 38, bovinum cyclops 2, 3, obesum 4 ~ 4 seeleyi cf seeleyi sp sp, 43, 84, 40, 43, 3, 40, 48 66 45 47 46 47 48 49 50 Vaughanina 380 380 213 215 33 cubensis Venus auca subsulcata Verticoceras erectum Vicarya fusiformis sappho Virgoceras cancellatum 18 247 248 84 195 176, 261 100, 24 Vulsella cerva Voluta inca 16 259 purpuriformis Volutilithes cf crenulufera Volutilithes radula 260 261 Yolutocorbis meridion_ alis 176, 260 16 W Walcottoceras 108, Werneroceras plebiforme Westonoceras deckeri 125 14, 19 42 25 64 78 Wetherbyoceras Wichitoceras 121, ._ 31, decipiens "Woodsalia" Woodsalia negritensis paitana paitana robusta Worthenoceras 18 18 35, 38, 375 228 175, 227 175, 228 88 Y Yasila 411i 167 XVI (Nos 59-61) 140 pp., 48 pis Venezuela and Trinidad Tertiary Mollu^s XVII (Nos 62-63) 28g pp., 33 pis Peruvian Tertiary Mollusca, 5.W _.„ _ 8.«3 XVIII (Nos 64-67) 286 pp., 29 pis Mainly Tertiary Mollusca and Cretaceous ccials XIX (No 68) 272 pp., 24 pis Tertiary Paleontology, Peru XX (Nos 69-70C) 266 pp., 26 pis Cretaceous and Tertiary Paleontology $.00 , 5.00 3.00 Peru of an-2 Cuba XXI (Nos 71-72) 821 pp., 12 pis, Paleozoic Paleontology and Stratigraphy 5.00 XXII (Nos 73-76) 356 pp., 31 pis Paleozoic Paleontology and Tertiary Foraminifera,, XXIII (Nos 77-79) 251 p?=, 35 pis Corals, Cretaceous microfauna and biography of Conrad XXIV (Nos 80-87) 334 pp., 27 pis _ 7.C0 6.00 6.00 Mainly Paleozoic fa'i^as and Tertiary Mollusca XXV (Nos 88-94B) 306 pp., 30 pis 7.00 Paleozoic fossils of Ontario, Oklahoma and Colombia, Mesozoic echinoHs, California Pleistocene and Maryland Miocene moUusks XXVI _ (Nos 95-100) 420 pp., 58 p!a 7.00 Florida Recent marine shells, Texas Cretaceous fossils, Cuban and Peruvian Cretaceous, and Peruvian Kogene corals., and geology and paleontology of Ecuador XXVII _(Nos 101-108) 376 pp., 36 pis Tertiary Mollusca, Paleozoic cephalopods, Devonian fish and Paleozoic geology and fossils 'of Venezuela XXVIII (Nos 109-114) 405 pp., 34 pis Paleozoic Nautiloidea, Idaho Devonian, ceous, Eocene gastropods and Cuban forams 6.00 $ 6.00 Peruvian Cretaand Venezuelan PALjEONTOGRAPHICA AMERICANA Volume I (Nos 1-5) _.$12.00 519 pp., 75 pis of areas, Lutetia, rudistids and vsnerlds* Monographs II o31 pp., 37 pis halli, Tertiary turrid illustrations, Neocephalopods, Tertiary cene Spondyli, Paleozoic Fasciolarias and Paleozoic and Recent Hexactinel- (Nos 6-12) lfc.00 Heliophyllum \ lida Volume III (Nos 13-16, other numbers in preparation) Paleozoic siphonophores, Eurysiphonate cephalopods, abnormal Busycons and Devonian fish remains 3.25 ... 405-412 BULLETINS OF AMERICAN PALEONTOLOGY VOL XXVIII NUMBER I09 19-3-3 Paleontological Research Institution Ithaca, New York U S A Condensed Table of Contents of Bulletins of American Paleontology. .. mollusks of Peru and Colombia * :ion Complete titles and piice All volumes available liat of ail 6.60 numbers may be had on apphca- BULLETINS OF AMERICAN PALEONTOLOGY Vol 28 No 109 STUDIES OF PALEOZOIC... vidual consists of the internal mold of portion of an inner whorl, and an impression of the exterior to which adhered numerous small fragments of the shell as well as Most of the a part of the internal