Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 421
orial earths. 297. Of the members of the Sub-family Schizonemece, consistingof those Naviculece in which the frustules are united by a gela-tinous envelope, some are remarkable for the great external resem-blance they bear to acknowledged Algae. This is especially the * Monthly Microscopical… … 3S^ \ B
Microscopy · Biology
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