. Anatomical technology as applied to the domestic cat; an introduction to human, veterinary, and comparative anatomy. Cats; Dissection; Mammals. 536 APPENDIX. till the swollen glue melts. Add to tliis about an equal volume of the saturated Berlin blue (§ 1449) solution heated to about 80 or 90 Centigrade. Mix thoroughly, and If any- dirt is present, filter through fine flannel. The solution may be thinned with water. It must of course be warmed when it is used, and the animal into which it is to be injected should be warmed to at least 30° C. The material soon becomes moldy in warm weather, s
. Anatomical technology as applied to the domestic cat; an introduction to human, veterinary, and comparative anatomy. Cats; Dissection; Mammals. 536 APPENDIX. till the swollen glue melts. Add to tliis about an equal volume of the saturated Berlin blue (§ 1449) solution heated to about 80 or 90 Centigrade. Mix thoroughly, and If any- dirt is present, filter through fine flannel. The solution may be thinned with water. It must of course be warmed when it is used, and the animal into which it is to be injected should be warmed to at least 30° C. The material soon becomes moldy in warm weather, so only about the amount needed should be made at a given time. Injections with colored glue are made precisely as directed in § 359. After the injec- tion is finished, allow cold water to flow upon the animal or set it away in a cool place. § 1451 (§§ 1085, 1091). Obtaining Frogs and Menobranchi.—Notwithstanding the abundance of frogs in certain localities, they are not always obtainable when wanted for anatomical and physiological purposes, and laboratories should keep a supply on hand. Boys sometimes capture them, but are apt to injure them. Large frogs may some- times be had from restaurants or from large dealers in fish like E. G. Blackford, of Fulton Market, New York city. Frogs abound in the marshes near Montezuma, N. Y, and may be had at a moderate price from Mr. Fennimore Helmer of that place. Frogs may be transported long distances in a box of wet grass if a few airholes ar& made. They should be kept in a spring, or in a dark covered tank or vessel through which water flows, or iu which it is frequently changed. The cover is needed both to prevent their escape and to retard their vital changes. In spite of care, few survive more than three months ; the larger ones often die within as many weeks. § 1453. Menobranchi abound in the lakes of central New York, but are not easily taken with the net on account of the depth of tlie water, and the supply from that
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