. Experimental morphology. Protoplasm; Growth. §3] THIGMOTAXIS 107 orientalis. When an or NaCl solution contain- ing spermatozoa was put under a cover-glass, the spermatozoa arranged themselves in two layers, one in contact with the cover-glass, the other in contact with the slide. By isolating some of the spermatozoa at the upper surface and putting them under a cover-glass, he found that they likewise distributed themselves at both upper and lower surfaces. Hence the segre- gation into two layers was not due to a difference in kind between the spermatozoa occupying" the two po


. Experimental morphology. Protoplasm; Growth. §3] THIGMOTAXIS 107 orientalis. When an or NaCl solution contain- ing spermatozoa was put under a cover-glass, the spermatozoa arranged themselves in two layers, one in contact with the cover-glass, the other in contact with the slide. By isolating some of the spermatozoa at the upper surface and putting them under a cover-glass, he found that they likewise distributed themselves at both upper and lower surfaces. Hence the segre- gation into two layers was not due to a difference in kind between the spermatozoa occupying" the two positions, but to the fact that there were here two surfaces of contact, separated. 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 Davenport, Charles Benedict, 1866-1944. New York, The Macmillan company; London, Macmillan & co. , ltd.


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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1897