Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 916
of the embryo, owing to the extreme trans-parence of the nidamentum and of the egg-membranes themselves.The first change which will be noticed by the ordinary observer- isthe segmentation of the yolk-mass, which divides itself (after themanner of a cell undergoing binary subdivision) into two…
Microscopy
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