Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 919
ginally belonging to the•ovum (K). Whilst these developmental changes are taking place in the embryo,the whole aggregate of segments formed by the yolk-cleavage of theinfertile eggs coalesces into one mass, as shown at A, fig. 655 ; andthe embryos are often, in the first instance, so completely… … Fig. (>.>.>.—Later stages of embryonic development of Purpura lapilhis.A, conglomerate mass of vitelline segments, to which were attached theembryos a, b, c, d, e. B, full-size embryo in mere advanced stage ofdevelopment. stages of (development represented in fig. 654, H-K. After a…
Microscopy
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