... function of predator body mass. Prey ¼ one Nemurella pictetii (head-capsule width¼1.0 mm). (b) Maximum daily consumption of N. pictetii by C. boltonii as a function of predator body mass. BODY SIZE ... School of Biological andChemical Sciences, Queen Mary, University of London, London E1 4NS, UK.LIST OF CONTRIBUTORSviiicase study of invertebrates. FreshwaterBiology, 49, 600–613.Poff, N. ... where the averaging of characteristics such as size obscuresmany of the details of what individuals are actually doing. At the other end of the scale, laboratory experiments often focus on size...