. Journal of applied microscopy and laboratory methods. atic fluids of both whiteand gray rats were studied, andno marked difference was found toexist between these cells. Thehead and tail of this cell stainswell, the concave border of thehead staining slightly deeper thanits body. Measurements werefound to be : Fig. 9.—White Rats. Total length,Length, head,Length, tail. to mm., or to to mm., or to to mm., or to in. The spermatozoon of the guineapig (Fig. 10) differs widely fromany other member of the
. Journal of applied microscopy and laboratory methods. atic fluids of both whiteand gray rats were studied, andno marked difference was found toexist between these cells. Thehead and tail of this cell stainswell, the concave border of thehead staining slightly deeper thanits body. Measurements werefound to be : Fig. 9.—White Rats. Total length,Length, head,Length, tail. to mm., or to to mm., or to to mm., or to in. The spermatozoon of the guineapig (Fig. 10) differs widely fromany other member of the head is nearly spherical, and aminute, deeply stained portion wasnoted at the junction of the head was provided with aneatly fitting, semi-lunar cap, whichwas also well stained. At timesthese caps were seen detached, andat others deformed, giving thatportion of the head either a con-cave or a pointed portion of the tail nearestthe head was always deeply stained,and the course of the tail wasnever found to be tortuous. The. Fig. 10.—Guinea Pig. following measurements were obtained for these cells : Total length, . to mm., or to , head, . . to mm,, or to , head, . to mm., or to , tail, . . to mm., or to in. L. Napoleon Boston, M. Hospital. 1366 Journal of Applied Microscopy LABORATORY PHOTOGRAPHY. Devoted to methods and apparatus for converting an object into an illustration. AN IMPROVED PHOTO-MICROGRAPHIC APPARATUS. I have recently had constructed for Cornell Medical College a photo-micro-graphic apparatus by B. & L., a description of which may be of interest to thereaders of the Journal, since there are certain departures from the regular typeof outfit. Some of these departures were suggested by me, but they were workedout in detail and put into practical shape by the makers. To begin with, I willpoint o
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmicrosc, bookyear1901
