. Fresh-water biology. Freshwater biology. MM. 1076. Scapholeheris mucronata. 47 (46) Color whitish or greenish;. transparent or opaque, not black. Scapholeheris aurita (Fischer) li Head larger than in mucronata, rostrum long, lying against margin of valves. Antennules behind rostrum, conical, large, and movable; sense-hair about middle. Valves with blunt projection at infero-posteal angle, obscurely striate and reticulate in front, and with small elevations elsewhere. Length, 9> ca. mm.; $, mm. Not common; in weedy pools and margins of lakes. Northern states. Fig. 1077. Scaphol
. Fresh-water biology. Freshwater biology. MM. 1076. Scapholeheris mucronata. 47 (46) Color whitish or greenish;. transparent or opaque, not black. Scapholeheris aurita (Fischer) li Head larger than in mucronata, rostrum long, lying against margin of valves. Antennules behind rostrum, conical, large, and movable; sense-hair about middle. Valves with blunt projection at infero-posteal angle, obscurely striate and reticulate in front, and with small elevations elsewhere. Length, 9> ca. mm.; $, mm. Not common; in weedy pools and margins of lakes. Northern states. Fig. 1077. Scapholeheris aurita. MM;. 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
