File:Millipedes- page 17 of "Insects, injurious and beneficial" (1883) .jpg

Identifier: insectsinjurious00cook Title: Insects, injurious and beneficial, their natural history and classification, for the use of fruit growers, vine growers, farmers, gardeners and schools Year: 1883 (1880s) Authors: Cooke, Matthew, fl. 1881-1884 Subjects: Insects, Injurious and beneficial Publisher: Sacramento, H. S. Crocker & Co. Contributing Library: The Library of Congress Digitizing Sponsor: The Library of Congress

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Text Appearing Before Image: The Scorpions belong to the same class as the Spiders, beingprovided with eight legs; their maxillary palpi (or feelers at-tached to the lower jaws), are frequently as long as their legs,and terminate in forceps-like claws. They are mostly preda-ceous in their habits. The Centipedes, Fig. 14. Millipedes, etc. (My-riapoda), are some-times called Thou-sand-legged Worms,from the great numberof legs with whichtheir bodies are pro-vided (Fig. 14). Theyare readily divisible into two groups, according to the number of legs attached toeach segment of their bodies. Some kinds have only a single

Text Appearing After Image: THE EGG STATE. •) pair of legs attached to each segment, while others have twopairs. By this character alone we are enabled to separate, ata glance, the injurious from the beneficial, since those whichhave only one pair of legs to each segment are predaceous,feeding upon Snails and other soft-bodied animals, whereasthose having two pairs of legs to each segment, feed upon veg-etable matter. It will thus be seen that true insects belong to the first Class.which is known by the name of Insecta. Having learned theposition which these animals occupy in the vast Realm ofNature, a short account will be given in Chapters II, III, IV,and VI of the four states or stages through which insectspass, namely: First, the egg; second, the larva or caterpil-lar ; third, the pupa, chrysalis or nymph; fourth, the perfectinsect or imago. Chapter V treats of their transformations (metamorphoses.) CHAPTER II. The Egg State. The greater number of insects, such as Saw-flies (Fig. 15),Butterflies (Fig. 16),

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