. Fourteen weeks in zoology. Zoology. ToMxa solium, Human Tape-wonn. their way into the blood-vessels, are swept to all parts of the system. Entering the organs, they become surrounded by a cyst or crust. When " measly pork," *. e., pork thus infested, is eaten, the vesicle bursts and the worm is rapidly developed.* Planaridse (flat-formed). — The Planaria is of gelatinous consistency, and not parasitic. Any portion amputated is reproduced in a brief time. Fig. Planoclra nelmlBsa, Planarian Worm, magnified double. * The life-Mstory of the tape-wonn Is always the same. Some ani
. Fourteen weeks in zoology. Zoology. ToMxa solium, Human Tape-wonn. their way into the blood-vessels, are swept to all parts of the system. Entering the organs, they become surrounded by a cyst or crust. When " measly pork," *. e., pork thus infested, is eaten, the vesicle bursts and the worm is rapidly developed.* Planaridse (flat-formed). — The Planaria is of gelatinous consistency, and not parasitic. Any portion amputated is reproduced in a brief time. Fig. Planoclra nelmlBsa, Planarian Worm, magnified double. * The life-Mstory of the tape-wonn Is always the same. Some animal eats the eggs and develops the larvse ; another eats its flesh and develops the matnre worm. The other common tape-worm of man is derived from " measly " beef. The tape-worm of the cat comes from the cystic worm of the mouse; that of the fox from the cystic worm of hares and rabbits; and that of the dog from th« cystic worm which causes the " staggers " in 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 Steele, Joel Dorman, 1836-1886. New York, Chicago [etc. ] A. S. Barnes & Company
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectzoology, bookyear1872
