. Fresh-water biology. Freshwater biology. THE FREE-LIVING FLATWORMS (TURBELLARIA) 341 3S (36) The chitinous portion of the male copulatory organ is represented merely by the chitinous tube of the ductus ejaculatorius. Dalyellia inermis von Graff Length mm. Flattened. Posterior end modified into a Icind of adhesive dislc. Color white by reflected light. Intestine very broad and yellow in color. Eyes dull yellow. Accessory pigment spots irregularly grouped near the eyes. The locomotor movements are very quick. Rochester, N. Y. Fig. 604. Dalyellia inermis. (^) Ventral view, slightly c
. Fresh-water biology. Freshwater biology. THE FREE-LIVING FLATWORMS (TURBELLARIA) 341 3S (36) The chitinous portion of the male copulatory organ is represented merely by the chitinous tube of the ductus ejaculatorius. Dalyellia inermis von Graff Length mm. Flattened. Posterior end modified into a Icind of adhesive dislc. Color white by reflected light. Intestine very broad and yellow in color. Eyes dull yellow. Accessory pigment spots irregularly grouped near the eyes. The locomotor movements are very quick. Rochester, N. Y. Fig. 604. Dalyellia inermis. (^) Ventral view, slightly compressed: e, eye; m, mouth; w, yolk gland; ov, ovary; go, genital pore; co, male copulatory organ; te, testes. X iis. (.B) Ad- hesive disk of posterior end. (C) Male copula- tory organ enlarged: ch, chitinous tube; ks, vesi- cula granulorum; vs vesicula seminahs. X 300. (After von Graff.) 36 (35) Provided with true chitinous organ 37 37 (38) Chitinous portion of cirrus consists of a single chitinous spine. Dalyellia rochesteriana von Graff 1911. 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