Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 843
he development of a morula ishere a distinctly individualisedpolype, in which several mutu-ally dependent parts make up■a single organic whole, yet these parts still retain much of theirindependent protozoic life ; which is manifested in two very re- 1 A complete and valuable handbook to the… … -Fn;. 501).—Longitudinal section of the bodyof a hydra killed in full digestion: ec,ectoderm; en, endoderm; nip, muscularprocesses; d, a diatom; /, toed. (AfterT, J. Parker.) CCELENTEEATA 787 markable modes. In the first place, the digestive sac is observedto be lined by a layer of amoeboid cells,…
Microscopy
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