. Fresh-water biology. Freshwater biology. 45° FRESH-WATER BIOLOGY 120 (121) Two testes in each proglottid. Nematotaenia Liihe 1899,. Strobila thicker near anterior end becoming thinner and eventually filiform, circular in cross-section. Neck short, cirrus-pouch long, passing within longitudinal muscle layer. Vas deferens long, with ventral loop between ovary and excretory canals. Two testes, dorsal and symmetrical. Vitellarium almost exactly in center of body. Ovary ventral, nearly median; uterus horseshoe-shaped, breaks up early into numer- ous capsules with 2 to 4 eggs, usually 3, in each c
. Fresh-water biology. Freshwater biology. 45° FRESH-WATER BIOLOGY 120 (121) Two testes in each proglottid. Nematotaenia Liihe 1899,. Strobila thicker near anterior end becoming thinner and eventually filiform, circular in cross-section. Neck short, cirrus-pouch long, passing within longitudinal muscle layer. Vas deferens long, with ventral loop between ovary and excretory canals. Two testes, dorsal and symmetrical. Vitellarium almost exactly in center of body. Ovary ventral, nearly median; uterus horseshoe-shaped, breaks up early into numer- ous capsules with 2 to 4 eggs, usually 3, in each cap- sule becoming ultimately 13 to 30 small dark uterine capsules. Records of its occurrence in North America are open to question. ' T3^e species. Nematotaenia dispar (Goeze) 1782, Fig. 761. Nematotaenia dispar. Transverse section of ripe proglottid; c, cirrus; /, testes; m, retractor muscle of cirrus; iit, vitellaria; ov, ovary; vd, vas deferens; p, vagina. Magnified. (After Fuhrmann.) 121 (120) One testis in each proglottid. Cylindrotaenia Jewell 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 Ward, Henry Baldwin, 1865-1945; Whipple, George Chandler, 1866-1924. joint author. New York, John Wiley & sons, inc. ; [etc. ,etc. ]
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfreshwa, bookyear1918
