. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIG. 3. Dorsal view of the second left nephridium of Arenicola cristata, X 3- , ciliated plates. , dorsal lip. , gonadial blood vessel. , oblique muscle. FIG. 4. Ventral view of the anterior portion of second left nephridium of Areni- cola cristata, ><3- , dorsal lip. , ventral lip. the fixing agent. (Kopsch fluid answers well.) The whole worm is then placed in the fixing fluid. The nephridia are thus har- dened without distortion and when dissected out later show their proper form. The figures


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIG. 3. Dorsal view of the second left nephridium of Arenicola cristata, X 3- , ciliated plates. , dorsal lip. , gonadial blood vessel. , oblique muscle. FIG. 4. Ventral view of the anterior portion of second left nephridium of Areni- cola cristata, ><3- , dorsal lip. , ventral lip. the fixing agent. (Kopsch fluid answers well.) The whole worm is then placed in the fixing fluid. The nephridia are thus har- dened without distortion and when dissected out later show their proper form. The figures of the funnels or entire nephridia of each of the species are shown in the accompanying figures. The funnel of A. cristata (Figs. 3 and 4) is the most complicated and at the same time the most symmetrical in the genus. It is flat- tened, with a broadly sagittate or hastate form. Its dorsal lip,. 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory


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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology