. A manual of zoology. Zoology. Fig. 24U. Fig. 241. Fig. 242. Fig. 240.—Apical view of head of Taenia solium. (From Hatsclieli.) Fig. 241.—Head of Tetiarhimchus viridis. (After Wagner.) Dissected to snow tbe internal parts of the proboscides (o) and tlie .t^anglion (ft). Fig. 242.—Schema of action of rostelLum. On the right the hooks are exserted for adhesion, on the left retracted. i\ rostellum; y, sheath; /, longitudinal muscles. 0' ^. jo 0 0 o^O o%'?,i, o^ OOQJ^ I'U od sd dg u 01/ Fig. 243.—Proglottis of Bothriocephcdus latus. (After Right only vitel- larium, left only testes, sho
. A manual of zoology. Zoology. Fig. 24U. Fig. 241. Fig. 242. Fig. 240.—Apical view of head of Taenia solium. (From Hatsclieli.) Fig. 241.—Head of Tetiarhimchus viridis. (After Wagner.) Dissected to snow tbe internal parts of the proboscides (o) and tlie .t^anglion (ft). Fig. 242.—Schema of action of rostelLum. On the right the hooks are exserted for adhesion, on the left retracted. i\ rostellum; y, sheath; /, longitudinal muscles. 0' ^. jo 0 0 o^O o%'?,i, o^ OOQJ^ I'U od sd dg u 01/ Fig. 243.—Proglottis of Bothriocephcdus latus. (After Right only vitel- larium, left only testes, shown, ch, cirms sheatli opening with the vagina; dri, vitelline duct; dt, vitellarium; h, testes; od, oviduct; oi\ ovary; sd, shell gland; n, uterus; va, vagina; I'd, vas deferens (dark-lined;; w, excretory canal. the uterus ends blindly and the vitellaria are modified into a small albumen gland. .Since vagina and vas deferens almost always open together, self-impregnation is possible. I'jesides cross-fertilization of separate proglottids has been seen. The general features of the two types mav l)e made out from figures 2-13 and 2-14:, reference. 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 Hertwig, Richard, 1850-1937; Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902
