. Fresh-water biology. Freshwater biology. Length mm., height mm., width mm. Plump. Furca bent, about nine times as long as wide, its dorsal seta three times width of ramus from subterminal claw, and as long as the terminal seta. Males com- mon. In tow of sandy lake shore; May. Illinois. Fig. 1285. Cypria (Cypria) obesa. (a) Dorsal view, X 45: (b) Furca; (c) Maxillary palps of male; (d) Second leg. 86 (85) Shell white, smooth, and shining, with numerous almost confluent puncta Cypria (Cypria) mons Chambers 1877. Q Length mm. A doubtful form, not well described. Colorado, Mt
. Fresh-water biology. Freshwater biology. Length mm., height mm., width mm. Plump. Furca bent, about nine times as long as wide, its dorsal seta three times width of ramus from subterminal claw, and as long as the terminal seta. Males com- mon. In tow of sandy lake shore; May. Illinois. Fig. 1285. Cypria (Cypria) obesa. (a) Dorsal view, X 45: (b) Furca; (c) Maxillary palps of male; (d) Second leg. 86 (85) Shell white, smooth, and shining, with numerous almost confluent puncta Cypria (Cypria) mons Chambers 1877. Q Length mm. A doubtful form, not well described. Colorado, Mt. Elbert. Altitude 11,000 feet. Fig. 1286. Cypria (Cypria) mons. (a) Dorsal view; (6) Side view, X 16. (After Chambers.) 87 (88) Left shell higher than right. Terminal short setae of second leg about twice as long as the terminal segment (Fig. 1287). Cypria (Physocypria) pustulosa Sharpe 1897. Length mm., height mm., width mm. Clear brownish with dark patches. Extremities of shell hairy. A decided dorsal flange on left valve (Fig. 1287 a). Natatory setae three times as long as the distance be- tween the place of their insertion and tips of terminal claws. Furca two and two-fifths length of terminal claw. Dorsal seta weak and situated about middle of furca. Bottom tows in river channels, surface and bottom tows in lakes, and lake and river shores; April to September. Illinois. Fig. 1287. Cypria (Physocypria) pustulosa. (a) Left valve, X 36; (b) Right valve; (c) First leg; (d) Furca; («) Second 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. ]
Size: 1708px × 1463px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectfreshwa, bookyear1918
