. Fresh-water biology. Freshwater biology. Hg, 941. Acyctus in- quietus Lcidy. X 12. (After Leidy, from Hud- son and Gosse.) Fig. 940. Pompholyx complanata Gosse. X24S. (After Hud- son and Gosse.). Fig. 942. Pterodina patina Ehr. A, Dorsal view of female. X 225. (After Weber.) B, Dorsal view of the male. (After Marks and Wesch^.) C, Corona, showing the two wreaths of cilia. (After Wesenberg-Limd.). 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 resemb

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. Fresh-water biology. Freshwater biology. Hg, 941. Acyctus in- quietus Lcidy. X 12. (After Leidy, from Hud- son and Gosse.) Fig. 940. Pompholyx complanata Gosse. X24S. (After Hud- son and Gosse.). Fig. 942. Pterodina patina Ehr. A, Dorsal view of female. X 225. (After Weber.) B, Dorsal view of the male. (After Marks and Wesch^.) C, Corona, showing the two wreaths of cilia. (After Wesenberg-Limd.). 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