. Fresh-water biology. Freshwater biology. THE OSTRACODA 821 84 (83) Shell plain, with small puncta. Abdomen with two cylindrical processes Cypria (Cypria) opthalmica Jurine 1820. Length to mm., height to mm., width 2 to mm. Shell compressed, clear brown, with dark-brown patches ante- riorly and posteriorly and just back of eye-spot. Natatory setae very long, reaching beyond terminal claws by more than the entire length of the antenna. Furca about eight times as long as wide. Surface and 'bottom tows in river channels and lakes, and their shores; February to Octobe
. Fresh-water biology. Freshwater biology. THE OSTRACODA 821 84 (83) Shell plain, with small puncta. Abdomen with two cylindrical processes Cypria (Cypria) opthalmica Jurine 1820. Length to mm., height to mm., width 2 to mm. Shell compressed, clear brown, with dark-brown patches ante- riorly and posteriorly and just back of eye-spot. Natatory setae very long, reaching beyond terminal claws by more than the entire length of the antenna. Furca about eight times as long as wide. Surface and 'bottom tows in river channels and lakes, and their shores; February to October. Also common in ponds and ditches where there is Httle or no vegeta- tion. Georgia, Ilhnois, Minnesota, Oregon. Fig. 1284. Cypria {Cypria] opthalmica. {a) Side view, X 49: (b) Dorsal view; (c) Furca, X I37i; id) Penis, X 85 (86) Shell clear to brownish yellow, with a few scattered puncta. Cypria {Cypria) obesa Sharpe 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
