. Animal micrology; practical exercises in microscopical methods. Microscopy -- Technique; Microscopes -- Technique. 12 Animal Micrology • 21. Mayer's Albumen Fixative.—-Chop the white of an egg with scissors and filter it through moist filter paper. It filters through very slowly. Add an equal volume of glycerin, and a bit of salycilate of soda (1 gram to 50 ) or thymol to prevent putrefaction. 22. Celloidin.—Put 5 grams of Sobering's shredded or granular celloidin into a celloidin bottle (a bottle with glass stopper and ground glass cap) and dissolve it in equal parts of absolute alcohol
. Animal micrology; practical exercises in microscopical methods. Microscopy -- Technique; Microscopes -- Technique. 12 Animal Micrology • 21. Mayer's Albumen Fixative.—-Chop the white of an egg with scissors and filter it through moist filter paper. It filters through very slowly. Add an equal volume of glycerin, and a bit of salycilate of soda (1 gram to 50 ) or thymol to prevent putrefaction. 22. Celloidin.—Put 5 grams of Sobering's shredded or granular celloidin into a celloidin bottle (a bottle with glass stopper and ground glass cap) and dissolve it in equal parts of absolute alcohol and ether (see 4). Add only suf- ficient fluid (about 100 ) to make a thick, syrupy mass. In a second celloidin bottle make a thin solution by taking about one-third. FIG. 25.—Simple Water-Bath. This is a useful bath for individual workers. It is provided with imbedding- cups, infiltration vials, a shelf for watch- glass imbedding or for warming instru- ments, and tubulatures for gas regulator and thermometer. of the original solution and dilut- Label the ing it with its own volume of the ether-alcohol, bottles thick and thin celloidin, respectively. 23. Paraffin. — In one of the cups of a warm paraffin oven (Fig. 24, 25, or 26), put 75 grams of paraffin, melting at about 53° C. The bath should be kept at a temperature of some two degrees above the melting-point of the paraffin. A supply of softer and of harder paraffin (e. g., melt- ing at 43° and 60° C.) should also be at hand. Other Reagents.—Provide your- self with 200 of xylol, 25 of clove oil, 25 of glacial acetic acid, 50 of cedar-wood oil, 75 of chloroform, 30 of gly- cerin and 250 of absolute. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Guyer, Michael F. (Michael Frederic), b. 1874. Chicago,
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