. Bulletin - United States National Museum. Science. Figure 67.—Diaptomus oregonensis: a. Female, dorsal, showing number and arrangement of eggs in single egg-case; i, female, flftli leg; c, male, fifth legs; d, joung male, fifth legs; e, young female, fifth legs; f, female, ventral view of urosome Female.—Metasome very slender; posterior corners of fifth seg- ment short, each with a single spine; genital segment enlarged anteriorly, with a minute spine on each lateral margin at the center of the enlargement; spines on first basipods of fifth legs minute; setae on second basipods three-fourths
. Bulletin - United States National Museum. Science. Figure 67.—Diaptomus oregonensis: a. Female, dorsal, showing number and arrangement of eggs in single egg-case; i, female, flftli leg; c, male, fifth legs; d, joung male, fifth legs; e, young female, fifth legs; f, female, ventral view of urosome Female.—Metasome very slender; posterior corners of fifth seg- ment short, each with a single spine; genital segment enlarged anteriorly, with a minute spine on each lateral margin at the center of the enlargement; spines on first basipods of fifth legs minute; setae on second basipods three-fourths as long as first exopod seg- ment; hook on second exopod segment acuminate and fringed with cilia on the inner margin; endopods 1-segmented, longer than the first exopod segment, with two equal apical setae and an inner process. Total length, mm. Male-—Posterior corners of fifth segment rounded, without spines; second basipods of fifth legs longer than wide; endopod of right fifth leg reaching middle of second exopod segment and unarmed; first exopod segment wider than long, second segment twice as long. 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
