An Introduction to Entomology, Part 1

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Comstock publishing Company, 1920 - Entomology - 220 pages
 

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Page 173 - that at whatever age a variation first appears in the parent it tends to reappear at a corresponding age in the offspring.
Page 182 - through a T-shaped opening, which is formed by a lengthwise split on the back near the head end and a crosswise split at the front end of this (Fig.
Page 18 - three pairs of legs, and usually one or two pairs of wings in the adult state. The
Page 85 - which sounds like xr, has a shocking lack of melody; the poets who have sung its praises must have heard it at
Page xiii - a scorpion, a centipede, or a lobster be examined, the body will be found to be composed of a series of more or less similar rings or segments joined together; and some of these segments will be found to bear jointed legs (Fig. i). All
Page 33 - or club-shaped, in which the segments become gradually broader, so that the whole organ assumes the form of a club. 7. Capitate or with a head, in which the terminal segment or segments form a large knob. 8. Lamellate
Page 80 - stridulates to encourage the female in her work and from distress when she is removed
Page 95 - is excreted through two openings, one on each side of the lower side of the body near the middle coxae; in
Page 111 - lessen the specific gravity of the insect they probably aid in flight; as filling the lungs with air makes it easier for a man to float in water; in
Page 33 - Pectinate or comb-like, in which the segments have long processes on one side, like the teeth of a comb.

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