. Bulletin - United States National Museum. Science. 494 BULLETIN" 15 8, UNITED STATES NATIONAL MUSEUM Female.—Head spherical, one-third the length of the trunk; basal segment of abdomen four times as long as anal segment; caudal rami a little longer than the anal segment and curved like parentheses; ovisacs half as long again as the entire body. First antennae 3-seg- mented; second antenna 2-segmented, the distal segment with a stout apical claw; maxillae also tipped with claws. Total length, 2 mm. Egg strings, 3 mm. long. Male.—Cephalic segment considerably swollen and half the entire l


. Bulletin - United States National Museum. Science. 494 BULLETIN" 15 8, UNITED STATES NATIONAL MUSEUM Female.—Head spherical, one-third the length of the trunk; basal segment of abdomen four times as long as anal segment; caudal rami a little longer than the anal segment and curved like parentheses; ovisacs half as long again as the entire body. First antennae 3-seg- mented; second antenna 2-segmented, the distal segment with a stout apical claw; maxillae also tipped with claws. Total length, 2 mm. Egg strings, 3 mm. long. Male.—Cephalic segment considerably swollen and half the entire length, the rest of the body divided into five segments of about equal length, the thorax passing insensibly into the abdomen. The caudal rami are longer than the anal segment, slender, and setiform; the maxillipeds are made up of three segments and a slender apical claw. Total length, 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 United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.


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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience