. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 192 JOHN A. FRANK. t PLATE I Microscopic appearance of the egg-agglutination reaction. All eggs photo- graphed in Chinese ink. FIG. 2. Normal .-irbacia egg in heated sea water surrounded by a wide zone of clear, colorless jelly. X 430. FIG. 3. A similar egg after five minutes exposure to a 5 per cent sperm extract. Note that a distinct agglutination membrane has appeared at the periphery of the jelly. X 430. FIG. 4. A similar egg after thirty minutes exposure to a 5 per cent sperm extract. The agglutination membrane has beco
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 192 JOHN A. FRANK. t PLATE I Microscopic appearance of the egg-agglutination reaction. All eggs photo- graphed in Chinese ink. FIG. 2. Normal .-irbacia egg in heated sea water surrounded by a wide zone of clear, colorless jelly. X 430. FIG. 3. A similar egg after five minutes exposure to a 5 per cent sperm extract. Note that a distinct agglutination membrane has appeared at the periphery of the jelly. X 430. FIG. 4. A similar egg after thirty minutes exposure to a 5 per cent sperm extract. The agglutination membrane has become denser but the jelly immediately in contact with the cortex remains unaffected. X 430. IMG. 5. Strands of agglutinated jelly connecting eggs in 5 per cent sperm extract. X 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
