. Fresh-water biology. Freshwater biology. 5o (33). With a separate pocket for the chitinous portion of male copulatory organ. Sexual pore lies in last third of body . Jensenia. Only one species known in this country. Jensenia pinguis (Silliman) 1885. Length about mm. Color brown to reddish, darkest in middle of body. Male genital canal divided at its connection with the common atrium, one branch forming the pocket for the chitinous organ while the other leads to the seminal ves- icle. Rochester, N. Y. Fig. 618. Jensenia pinguis. {A) Entire: m, mouth; vi, yolk glands; t, testes; «, eye; ph
. Fresh-water biology. Freshwater biology. 5o (33). With a separate pocket for the chitinous portion of male copulatory organ. Sexual pore lies in last third of body . Jensenia. Only one species known in this country. Jensenia pinguis (Silliman) 1885. Length about mm. Color brown to reddish, darkest in middle of body. Male genital canal divided at its connection with the common atrium, one branch forming the pocket for the chitinous organ while the other leads to the seminal ves- icle. Rochester, N. Y. Fig. 618. Jensenia pinguis. {A) Entire: m, mouth; vi, yolk glands; t, testes; «, eye; ph, pharynx; s, glands; i, intestine. X 30. (After Silliman.) {B) Sexual organs from animal compressed from side: bs, bursa seminalis; bsm, retractor mus- cles of same; ch, pocket which contains chitinous organ; chm, one of four muscles for same; e, egg; gd, oviduct; ge, ovary; go, genital pore; sd, shell glands; te, testes; udi, uterus diverticulum of atrium; ust, duct of uterus; vd, vasa deferentia; vs, vesi- cula seminalis; vst, duct from same; wgc, female genital canal. X 60. (After von GraS.). 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
