. Fresh-water biology. Freshwater biology. Fig. 981. Aeolosoma hemprichi. Lankester.) X 20. (After 4(3) S(8) 6(7) Ventral setae all uncinate (Fig. 991); septa well developed; no brightly colored integumental bodies. Family Naididae . 5 No dorsal setae 6 Ventral bundles of setae on III-V as on other somites. Schmardaella Michaelsen 1900. The South American species (Schmarda) has recently been reported, from Lake St. Clair (Moore, 1906). 7 (6) No setae on III-V. Somite III much elongated. Chaetogaster K. von Baer 1827. Several species are known from North America, of which C. limnae
. Fresh-water biology. Freshwater biology. Fig. 981. Aeolosoma hemprichi. Lankester.) X 20. (After 4(3) S(8) 6(7) Ventral setae all uncinate (Fig. 991); septa well developed; no brightly colored integumental bodies. Family Naididae . 5 No dorsal setae 6 Ventral bundles of setae on III-V as on other somites. Schmardaella Michaelsen 1900. The South American species (Schmarda) has recently been reported, from Lake St. Clair (Moore, 1906). 7 (6) No setae on III-V. Somite III much elongated. Chaetogaster K. von Baer 1827. Several species are known from North America, of which C. limnaei K. von Baer, which lives in moUusks, and the large transparent C. diapkanus (Gruithuisen), lo-is mm. long, are easily Chaetogaster limnaei. (After Lankester.) 8 (s) Setae in both dorsal and ventral bundles 9 9(12) No capilliform setae in dorsal bundles 10. 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
