. Analysis of development. Embryology; Embryology. c d Fig. 57. Photomicrographs of agglutinated sperm of the keyhole limpet Megathura crenulata. a. Three agglutinates formed in a moderately strong solution of fertilizin, showing spherical shell of sperm heads sur- rounding central mass of sperm; X 50. b. An agglutinate formed in a strong solution of fertilizin, showing uicomplete shells of sperm heads attached to main mass by the ends of the tails; X 170. c and d, Fusion of two agglutinates; d was photographed 15 seconds after c; X 85. (From Tyler, '40a.). Please note that these images are ex

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. Analysis of development. Embryology; Embryology. c d Fig. 57. Photomicrographs of agglutinated sperm of the keyhole limpet Megathura crenulata. a. Three agglutinates formed in a moderately strong solution of fertilizin, showing spherical shell of sperm heads sur- rounding central mass of sperm; X 50. b. An agglutinate formed in a strong solution of fertilizin, showing uicomplete shells of sperm heads attached to main mass by the ends of the tails; X 170. c and d, Fusion of two agglutinates; d was photographed 15 seconds after c; X 85. (From Tyler, '40a.). 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 Willier, Benjamin H. (Benjamin Harrison), b. 1890. Philadelphia, Saunders

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Keywords: ., bookcentury1900, bookpublisherphiladelphi, booksubjectembryology