. Fresh-water biology. Freshwater biology. Figs. 1070,1071 Daphnia longispina var. hyalina, A and B, form lypica, D, form galeata. form mendolae. 38 (35) Ocellus absent; head helmeted. Daphnia longispina var. longiremis Sars 1861. Valves broadly oval; spine long and slender. Head small and rounded with crest. Antennae very long, reaching well toward posterior margin of valves when reflexed. Length, 9 > to i .5 mm. This is the only representative of the European cucullata group as yet seen in this country. No doubt other forms will be discovered. Indiana; Wisconsin, in deep water of lakes in
. Fresh-water biology. Freshwater biology. Figs. 1070,1071 Daphnia longispina var. hyalina, A and B, form lypica, D, form galeata. form mendolae. 38 (35) Ocellus absent; head helmeted. Daphnia longispina var. longiremis Sars 1861. Valves broadly oval; spine long and slender. Head small and rounded with crest. Antennae very long, reaching well toward posterior margin of valves when reflexed. Length, 9 > to i .5 mm. This is the only representative of the European cucullata group as yet seen in this country. No doubt other forms will be discovered. Indiana; Wisconsin, in deep water of lakes in southern part of state; in surface waters in northern Fig. 1072. Daphnia 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
