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The Histology of the Common Frog by Rose B. Ankeny, 1887

The Histology of the Common Frog by Rose B. Ankeny Edgar, 1887, Page 6

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4. preparation for different lengths of time varying from twenty minutes to three quarters of an hour. The preparations most generally used an one of carmine and one of the hematoxyline, the former giving a red stain to most cells, and the latter, a blue one. Out of the staining fluid the sections are put into a fixing solution for a few minutes, then washed with alcohol and cleared with oil of clover which was used unexceptionally in this study of the common frog. The specimen of mounted dry is covered by merely sticking the cover glass to the slide by
 
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