Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 577
5, A, B), in which a strangeinequality presents itself in the diameters of the different cells of thesame filament, the larger ones being usually in various stages ofbinary subdivision, by which they multiply themselves longitudinally.According to the observations of Mr. Thwaites (loc. cit.), these… … Fig. 398.—Self-conjugation (?) of Melosira italica (Aulacosira crenulata>Thwaites): 1, simple filament; 2, filament developing auxospores; a, b, c, succes-sive stages in the formation of auxospores; auxospore-frustules in successivestages, a, b, c, of multiplication. tules, after separating as…
Microscopy
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