. Comparative zoology, structural and systematic. For use in schools and colleges. Zoology. FiG. 39.—Aliiiieutary Caual of a Beetle: a, pharynx ; b, gullet, leading to crop, c, gizzard, d, and stomach, e; f, deli- cate biliary tubes; g, intestine; h, other secreting organs. Fig. 40. —Alimentary Canal of the Bee {Apis viellifica): a, gullet; 6, crop ; c, d, stomach; e, small intestine; /, large in- testine ; g, anal orifice; li, biliary ves- sels ; i, auxiliary glands. hoppers, Crickets, and Locusts. The intestines are re- markable for their convolutions. Insects have no true liver; but its fun
. Comparative zoology, structural and systematic. For use in schools and colleges. Zoology. FiG. 39.—Aliiiieutary Caual of a Beetle: a, pharynx ; b, gullet, leading to crop, c, gizzard, d, and stomach, e; f, deli- cate biliary tubes; g, intestine; h, other secreting organs. Fig. 40. —Alimentary Canal of the Bee {Apis viellifica): a, gullet; 6, crop ; c, d, stomach; e, small intestine; /, large in- testine ; g, anal orifice; li, biliary ves- sels ; i, auxiliary glands. hoppers, Crickets, and Locusts. The intestines are re- markable for their convolutions. Insects have no true liver; but its functions are performed by little tubes (cceca) around the ; The alimentary canal of Spiders is short and straight, the pharynx and gullet being very minute. The stomach is characterized by sending out tubular prolongations, and the intestine ends in a large bladder-like expansion. Scor-. n i' ' I" I'" s n n o> Fio. 41.—Anatomy of a Sphinx Moth : n, nervous cord : n', brain sending off nerves to the legs, I', I", V", and for the wings at n"; h, dorsal vessel, or heart; c, crop; «, stomach ; i, iutestiues; o, reproductive organs; o', oviduct; 8-20, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Orton, James, 1830-1877. New York, Harper and brothers
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