... at
www.gutenberg.org
Title: An Elementary Study of Insects
Author: Leonard Haseman
Release Date: November 10, 2007 [EBook
#23434]
Language: English
*** START OF THIS PROJECT GUTENBERG EBOOK
AN ELEMENTARY STUDY OF INSECTS ... can scarcely see it, has its
work to do in the world, and
does it."
—Rev. J. G.
... 'water-fleas' and
barnacles, pass through far more striking
changes than its higher groups, such as
lobsters and woodlice. But among the
Insects, a class of predominantly
terrestrial and aerial ... cuttlefish, and a spider afford
well-known examples of this rule. Land-
animals, generally, produce young which
are miniature copies of themselves, for
example horses, dogs, and o...
... inherited by the offspring.
The offspring also will thus have a better
chance of surviving, for of the many
individuals of any species which are
periodically born, but a small number can
survive. ... itself in certain
planarians. If the head of planaria
lugubris is cut off just behind the eyes,
there develops at the cut surface of the
ancestral forms of which his pedigree of
m...
...
STUDY OF
INSECTS
By
LEONARD HASEMAN
Professor of Entomology in the University of Missouri
Columbia, Missouri
MISSOURI BOOK COMPANY
1923
THE grasshopper or locust is one of the most ancient ... nothing of its value to the farmer in pollinating fruits. The annual output of silk,
all of which is spun by the silkworm, is worth millions of dollars. Many other for...
... morally, after a short and brilliant career, you will
Project Gutenberg’s Philosophy and Fun of Algebra, by Mary Everest
Boole
This eBook is for the use of anyone anywhere at no cost and with
almost ... general readers can be kept from the habit of registering at every
step the fact of their own ignorance and the limits of their own knowledge, a
clever charlatan can deceive them...
... lizards.—Insectivorous
mammals.—Similarity of European and
South American frogs.—Analogy between
European salmon and fishes of New
Zealand, &c. An ancient Antarctic
continent probable.—Other modes of
accounting for facts of distribution.—
ON ... the
geographical distribution of animals and
plants; for example, on the resemblance
between the past and present inhabitants
SPECIES...
... of this Essay, express-
ible by an equation the form of which determines the rules of conversion
and of transformation, to which the given proposition is subject. Thus the
law of what logicians ... new: and it is believed that the
method of that chapter affords the means of a perfect analysis of any
conceivable system of propositions, an end toward which the rules for t...
... have any of the
NECESSARY consequences of Darwin's
hypotheses been proved by any one else,
to stand in clear and irreconcilable
contradiction. And yet, as the most
profound students of the animal ... regarded as of very great significance
by any one who has traced the
development of an animal upon larvae
fished from the sea, and had to seek in
vain for months, and even ye...
... man nun mit M
m
die Determinante des Systems, welches aus
Project Gutenberg’s Theorie der Abel’schen Functionen, by Karl Weierstrass
This eBook is for the use of anyone anywhere at no cost and ... dieser Argumente über, welche
man eine „Abel’sche Integral-Function” derselben nennen kann, und deren
analytischer Charakter jetzt näher untersucht werden soll.
Man kann, wie weiter unten wird...