. Fresh-water biology. Freshwater biology. 826 FRESH-WATER BIOLOGY (no) Both claws of furca not S-shaped — gently curved (Fig. 1299 a). Candona recticaiida Sharpe 1897. Male mm. long, mm. wide. Shell curved with scattered papillar elevations. The spermatogonia show through as four bands. Sec- ond leg six-segmented. Furca straight, about thirteen times as long as wide, with a dorsal sinus base of furca very broad. Right maxillary palp of male club-shaped (Fig. i3ooif). Bot- tom of ponds; February. Illi- nois. Fig. 1299. Candana recticaiida. (a) Furca; (6) Second leg; (c) End of second
. Fresh-water biology. Freshwater biology. 826 FRESH-WATER BIOLOGY (no) Both claws of furca not S-shaped — gently curved (Fig. 1299 a). Candona recticaiida Sharpe 1897. Male mm. long, mm. wide. Shell curved with scattered papillar elevations. The spermatogonia show through as four bands. Sec- ond leg six-segmented. Furca straight, about thirteen times as long as wide, with a dorsal sinus base of furca very broad. Right maxillary palp of male club-shaped (Fig. i3ooif). Bot- tom of ponds; February. Illi- nois. Fig. 1299. Candana recticaiida. (a) Furca; (6) Second leg; (c) End of second antenna; (if) Right maxillary palp of male; (e) Left maxillary palp of 112 (113) Second leg six-segmented 114 113 (112) Second leg less than six-segmented 116 114 (115) Shell with fine longitudinal striations when in glycerin. Max- illary palps of male enormously thickened, their fingers fully as thick as the stem (Fig. 1300 d). Candona fahaeformis Fischer 1854. Length to mm., height to mm., width to mm. Shell yellowish transparent, strongly compressed, the left valve overlapping the right at both ex- tremities, and also with dorsal flanges. Furca ten times as long as wide, straight. Abundant in small pools in March, April, and September. Georgia, Ilhnois. Fig. 1300. Candona fahaeformis. (o) Side view of male, X 30; (6) Sideview of female, X 30; (c) Furca; (d) Right max- illary palp of male, X 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
