Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 790
n that concerned in the formation•of the shell, every segment and every stolon (with the exception ofthe two forming the nucleus ) being, so far as can be ascertained,a precise repetition of every other, and the segments of the nucleusdiffering from the rest in nothing else than their form. The… … Fig. 553.—Disc of OrbitoJites italica, Costa, sp. (O.tenuissima, Carp.),formed round fragment of previous disc. to live, but will so increase as to form a new disc (fig. 553), the wantof the 1 nucleus not appearing to be of the slightest consequence,from the time that active life is established in…
Microscopy
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