. Fresh-water biology. Freshwater biology. THE WATER FLEAS (CLADOCERA) 701 54 (55) Head and valves strongly reticulated and covered with numerous short spinules. . Ceriodaphnia acanthina Ross 1897. General shape rotund with well-developed spine. Head much depressed, not angulated in front of antennules or at vertex. Antennules short and thick with sense-hair near apex. Post- abdomen narrow, much like quadrangula, with 7-g anal spines. Claws denticulate, the denticles in the proximal two-fifths of the claw obviously longer than the remainder. Color whitish- transparent to very dark. Length, $,t
. Fresh-water biology. Freshwater biology. THE WATER FLEAS (CLADOCERA) 701 54 (55) Head and valves strongly reticulated and covered with numerous short spinules. . Ceriodaphnia acanthina Ross 1897. General shape rotund with well-developed spine. Head much depressed, not angulated in front of antennules or at vertex. Antennules short and thick with sense-hair near apex. Post- abdomen narrow, much like quadrangula, with 7-g anal spines. Claws denticulate, the denticles in the proximal two-fifths of the claw obviously longer than the remainder. Color whitish- transparent to very dark. Length, $,, J unknown. Manitoba, in weedy 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
