A Reference handbook of the medical sciences embracing the entire range of scientific and practical medicine and allied science . dition as possible. Their weight and temperatureshould be taken daily, for in this way the best informa-tion can be gained as to the physical condition of theanimals. , When the animal dies it should be autopsied at once,or else it must be put aside in an icebox. The need ofimmediate examination is shown in some of the trypano-somatic infections, as nugana and caderas. where the or-ganism may disappear from the blood within an liour orso after death. Moreover, delay
A Reference handbook of the medical sciences embracing the entire range of scientific and practical medicine and allied science . dition as possible. Their weight and temperatureshould be taken daily, for in this way the best informa-tion can be gained as to the physical condition of theanimals. , When the animal dies it should be autopsied at once,or else it must be put aside in an icebox. The need ofimmediate examination is shown in some of the trypano-somatic infections, as nugana and caderas. where the or-ganism may disappear from the blood within an liour orso after death. Moreover, delayed examination may leadto the invasion of the organs of the cadaver by the intes-tinal bacteria, in which case the search for the specificgerm is rendered moie diflicult, if not impossible. The animal is prepared for autopsy by being placed onits back and tacked down on a board. A convenientboard of this kind is one which is about 34 by 54 cm.,and has a raised border. The cracks, if any, should befilled with paraffin. After the animal is laid out, the hair should be thor-oughly moistened with mercuric chloride solution. The. L Fig. .Jllitl.—Cell Slide sluiwine Drop. .A, view : view: }i, edge of cell; c hollow of cell; d, cover glass: e,hanging drop. necessary instruments can be sterilized in a copper steri-lizer, such as is shown in Fig. .5104. In the absence ofsuch an arrangement the instruments may be sterilizedby heating directly in the flame, but this, of course, in-jures them. A searing iron, several drawn-out pipettesand sterile dishes, as well as the necessary media, shouldbe conveniently on hand With a sterile scalpel an incision is made along the en-tire length of the bndy from the neck to the pubis. Lat-eral inci-siims are then made in the direction of each ofthe extremities, and the two large flaps thus resultingare turned Ijack. The condition of the subcutaneoustissue, the presence of ffdema. bloody effusions, enlargedlymphatic glands,
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