Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 394
mounted beneath glass have had theirmarkings obscured by moisture, the obscurity is dissipated by the OPTICAL APPEARANCES OF DIATOM-YALYES. application of a gentle heat, in a way that is readily explicable on thesupposition that the markings are elevations, but seems unintelli-gible on the idea of… … -A4M6MI lc3Pt«bSLI 1
Microscopy · Biology
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