. Fresh-water biology. Freshwater biology. MM. Fig. 1145, Pleuroxus aduncus. 203 (186) Claws with i basal spine. . Alonella (most species) . 230 Take up the key at the number indicated where one subgenus is discussed as a unit. 204(172) Body spherical or broadly ellipsoidal 205 205 (208) Well marked or small spine at infero-posteal angle 206 206 (207) Valves conspicuously striated Alonella nana . 242 Turn to the key at the number indicated where the species is discussed. 207 (206) Valves reticulated or not plainly marked. Chydorus barroisi Chydorus hyhridus . 226, 227 Turn to the key at th
. Fresh-water biology. Freshwater biology. MM. Fig. 1145, Pleuroxus aduncus. 203 (186) Claws with i basal spine. . Alonella (most species) . 230 Take up the key at the number indicated where one subgenus is discussed as a unit. 204(172) Body spherical or broadly ellipsoidal 205 205 (208) Well marked or small spine at infero-posteal angle 206 206 (207) Valves conspicuously striated Alonella nana . 242 Turn to the key at the number indicated where the species is discussed. 207 (206) Valves reticulated or not plainly marked. Chydorus barroisi Chydorus hyhridus . 226, 227 Turn to the key at the numbers indicated where the two species are 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
