. Fresh-water biology. Freshwater biology. 9 (10) Abdomen without furca. Second legs not backwardly directed. Family Darwinulidae. Darwinula stevensoni Brady and Robertson 1870. Length to mm. Right shell overlapping the left. Abdomen ending in a cylindrical unpaired process (Fig. 12520). Sandy or muddy bottoms. Georgia. (D. improvisa Turner 1895, is a synonym.) Fig. I2S2. Darwinula stevensoni. (a) Tip of abdomen, X 10 (9) Abdomen with furca. Second legs backwardly bent. Family CyPEiDroAE, II 11 (12) Furca rudimentary, with a long seta at tip (Fig. 1253) 13 12 (11) Furca band-Uk
. Fresh-water biology. Freshwater biology. 9 (10) Abdomen without furca. Second legs not backwardly directed. Family Darwinulidae. Darwinula stevensoni Brady and Robertson 1870. Length to mm. Right shell overlapping the left. Abdomen ending in a cylindrical unpaired process (Fig. 12520). Sandy or muddy bottoms. Georgia. (D. improvisa Turner 1895, is a synonym.) Fig. I2S2. Darwinula stevensoni. (a) Tip of abdomen, X 10 (9) Abdomen with furca. Second legs backwardly bent. Family CyPEiDroAE, II 11 (12) Furca rudimentary, with a long seta at tip (Fig. 1253) 13 12 (11) Furca band-Uke, with claws and setae at tip (Fig. 1258 a). . 16 13 Natatory setae of second antennae long, reaching at least to tips of terminal claws. Second foot beak-shaped at tip, with a terminal claw. . Subfamily Cypeidopsinae . 14 14 (15) Shell broad from above, tumid. Second antenna five-segmented. Cypridopsis Brady 1868. Only one species in North America. The most common North American ostracod. . Cypridopsis vidua O. F. MiiUer 1785. Length to mm., plump. Marked dorsally and laterally with three prominent dark bands. Very common, wherever algae are present. Fig. 1253- Cyfridopsis vidua. Furca, 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
