. Fresh-water biology. Freshwater biology. Cypria {Cypria) dmtifera. 83 (84) Shell covered with a close reticulum of longitudinally subparallel lines (Fig. 1283 c). Abdomen without processes. Cypria {Cypria) exsculpta Fischer 1855. Length to mm., height to mm., width to mm. Shell thin, covered with anasto- mosing subparallel lines. Color clear chestnut brown. Common in streams and ponds everywhere. Also com- mon in bottom tows in river chan- nels, lake and river shores. Caudal rami short, stout and much curved; both terminal claws smooth; dorsal setae situated sli
. Fresh-water biology. Freshwater biology. Cypria {Cypria) dmtifera. 83 (84) Shell covered with a close reticulum of longitudinally subparallel lines (Fig. 1283 c). Abdomen without processes. Cypria {Cypria) exsculpta Fischer 1855. Length to mm., height to mm., width to mm. Shell thin, covered with anasto- mosing subparallel lines. Color clear chestnut brown. Common in streams and ponds everywhere. Also com- mon in bottom tows in river chan- nels, lake and river shores. Caudal rami short, stout and much curved; both terminal claws smooth; dorsal setae situated slightly beyond middle of ramus. Distribution world wide. This species may be at once identi- fied by means of the reticulum of anastomosing subparallel Unes on the valves. These may be readily seen with a two-thirds-inch objective. Fig. 1283. Cypria (.Cypria) exsculpta. (c) Dorsal view, X 4S; Q>) Furca; (c) Striations on shell; (d) Spiny cylinder of ejaculatory duct, in 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
