. Fresh-water biology. Freshwater biology. 436 FRESH-WATER BIOLOGY single layer. Vas deferens large mass of coils in mid-field. Cirrus-pouch slender, nearly straight, muscular, length two-fSths to one-third proglottid width. Vagina always anterior to cirrus-pouch, never crossing latter. Beginning region of vagina narrow. Uterus with 20 to 23 lateral outpocketings. In intestine of Lepisosteus platosiomus, Fig. 735. Proteocephalus singularis. a, Head; apical prominence contracted; b, apical prominence extended, X 50; c, ripe proglottid, frontal section showing arrangements of testes, v
. Fresh-water biology. Freshwater biology. 436 FRESH-WATER BIOLOGY single layer. Vas deferens large mass of coils in mid-field. Cirrus-pouch slender, nearly straight, muscular, length two-fSths to one-third proglottid width. Vagina always anterior to cirrus-pouch, never crossing latter. Beginning region of vagina narrow. Uterus with 20 to 23 lateral outpocketings. In intestine of Lepisosteus platosiomus, Fig. 735. Proteocephalus singularis. a, Head; apical prominence contracted; b, apical prominence extended, X 50; c, ripe proglottid, frontal section showing arrangements of testes, vitellaria and ovary; vagina and cirrus-pouch not shown, X 36. (After La Rue.) 40 (39) Suckers round or oval with smooth contour. Proteocephalus amhloplitis (Leidy) 1887. Large, 280 to 410 mm. long, 2 to mm. in maximum breadth. Surface of body rough, with transverse and longitudinal furrows. Scolex prominent. Fifth sucker vestigial. Yoiing proglottids 12 to 15 times broader than long. Mature and ripe proglottids broader than long, about quadrate, or rarely longer than broad. Vitellaria not posterior to lobes of ovary. Genital sinus at end of first fourth of proglottid. Uterus with 15 to 20 lateral outpocketings on each side. Cirrus-pouch pyriform, muscular, two-sevenths to two-fifths of proglottid breadth. Coils of vas deferens many, extending to middle of proglottid. Testes 70 to 100 in number. Intestine of Amhlopliles rupestris, Microplerus salmoides, M. dolomieu, Amia caivar New York, Michigan, Minnesota, and Wisconsin. vas. 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
