. Fresh-water biology. Freshwater biology. Length mm., height mm., breadth mm. Yellowish gray. One of the largest species of the genus known. Natatory setae of the second antennae reach to tips of terminal claws. No males known. Seen from above, the shell is much more wedge-shaped anteriorly than C. mexicana. It also lacks the greenish stripes in the shell. Furca almost straight, about 18 times as long as wide, and faintly pectinate on the dorsal margin. Texas, Mexico. Ditches and pools, Oc- tober. Fig. 1260. Chlamydotheca azteka. (a) Side view, X 15: (A) Dorsal view; (c) Furca,
. Fresh-water biology. Freshwater biology. Length mm., height mm., breadth mm. Yellowish gray. One of the largest species of the genus known. Natatory setae of the second antennae reach to tips of terminal claws. No males known. Seen from above, the shell is much more wedge-shaped anteriorly than C. mexicana. It also lacks the greenish stripes in the shell. Furca almost straight, about 18 times as long as wide, and faintly pectinate on the dorsal margin. Texas, Mexico. Ditches and pools, Oc- tober. Fig. 1260. Chlamydotheca azteka. (a) Side view, X 15: (A) Dorsal view; (c) Furca, X 150; {d) First leg, X 125. 3S (34) Shell with semicontorted and radially arranged colored bands. Shell more tumid from above (Fig. 1261) 36 36 (37) Shell with at least six sinuous radiating dark-green bands on its sides Chlamydotheca herricki Turner 1895. Length mm., height mm., width mm. Light ground color with sinuous and radially arranged dark-green bands. Claws of first mandibular process, smooth. Terminal claw of first leg almost as long as entire leg. Furca straight, one- half the dorsal margin pectinate, about twenty times aslong as wide. Shallow canal basin. Ohio. Fig. 1261. Chlamydotheca herricki, (o) Side view, X 25; (6) Dorsal view; (c) 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
