. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 346 M. ETHEL COCHRAN. the eggs in this species. The egg cluster is always so attached that one of the adults may coil its body about it. Sometimes a crevice beside a rock is utilized, the eggs, attached by the pedicel to a root or stone above, swinging loose. This brooding by the adults doubtless serves the double purpose of providing moisture and securing protection from insects. Several attempts were made to transfer a parent with a cluster of eggs to the laboratory, that the development and hatching. From left to right: f


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 346 M. ETHEL COCHRAN. the eggs in this species. The egg cluster is always so attached that one of the adults may coil its body about it. Sometimes a crevice beside a rock is utilized, the eggs, attached by the pedicel to a root or stone above, swinging loose. This brooding by the adults doubtless serves the double purpose of providing moisture and securing protection from insects. Several attempts were made to transfer a parent with a cluster of eggs to the laboratory, that the development and hatching. From left to right: four embryos from the same cluster of eggs, one removed from the egg, one hatched about twelve hours, one about six hours and one about twenty- four hours. (Magnified three and one half times.) (Photographed by the author.) might be observed. Damp moss was tried but it invariably moulded. A small jar kept moist with a wad of water-soaked cotton proved no better. Then, because the air of the laboratory seemed so disastrous, it was suggested opening the bottle, in which the eggs wrere brought from the field, upside down into an overturned sterile jar. Within the jar, the eggs were placed on a strip of filter paper that was so placed on a piece of glass. 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