Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 342
isks fora considerable time in nitric acid, and then carefully washingthem in distilled water. Even without such separation, how-ever, the distinctness of the two layers can be made-out byfocussing for each separately under a l-4th or l-5th in. objec- * Transactions of Microscopical Society, 1st… … Arachnoidismts Ehrenhergii. light) with a 4-lOths in. objective, first from one side, andthen from the other. 183. Nearly aUied to the preceding in general characters,but differing in the triangular shape of its valves, is theTriceratium ; of which striking form a considerable number ofspecies are…
Microscopy
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