. Fresh-water biology. Freshwater biology. 770 FRESH-WATER BIOLOGY 60 (57) Second segment of right exopodite of fifth foot of male does not have oblique ridge on posterior surface 61 61 (62) Lateral spine of terminal segment of right exopodite of male fifth foot terminal, endopodites distinctly two-segmented. Diaptomus bakeri Marsh 1907. In the female fifth foot the exopodites are distinctly three-segmented, the endopodites distinctly two-segmented. Found in Cali- fornia. Length of female, mm. Length of male, mm. Fig. 1203. Diaptomus hakeri. ^, fifth feet of male. X no. 5, fifth foo
. Fresh-water biology. Freshwater biology. 770 FRESH-WATER BIOLOGY 60 (57) Second segment of right exopodite of fifth foot of male does not have oblique ridge on posterior surface 61 61 (62) Lateral spine of terminal segment of right exopodite of male fifth foot terminal, endopodites distinctly two-segmented. Diaptomus bakeri Marsh 1907. In the female fifth foot the exopodites are distinctly three-segmented, the endopodites distinctly two-segmented. Found in Cali- fornia. Length of female, mm. Length of male, mm. Fig. 1203. Diaptomus hakeri. ^, fifth feet of male. X no. 5, fifth foot of female. X 193. (Original.) 62 (61) Lateral spine of terminal segment of right exopodite of male fifth foot situated on distal third of segment, right endopodite indistinctly two-segmented, left one-segmented. Diaptomus washingtonensis Marsh The first abdominal segment of the female has a digitiform process on the right posterior border. Found in Washington. Length of female, mm. Length of male, inro- Fig. 1204. Diaptomus washingtonensis. A, fifth feet of male. B, abdomen of female. X 110. (OiigiBal.) 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
