. Journal of applied microscopy and laboratory methods. evenly throughout except for asmall central portion at the union of the head and tail. Its measurements werefound to be : Total length, .... mm., or in. Length, head, . . mm., or in. Width, head, .... mm., or in. Length, tail, .... mm., or in. Spermatic fluid from the cat (Fig. 8) was found difficult to study, as but fewspermatozoa were present. Each spermatozoon presented a tibrillated tail, andat times this fibrillation was seen to surround the head. The head staineddeeply, and at time
. Journal of applied microscopy and laboratory methods. evenly throughout except for asmall central portion at the union of the head and tail. Its measurements werefound to be : Total length, .... mm., or in. Length, head, . . mm., or in. Width, head, .... mm., or in. Length, tail, .... mm., or in. Spermatic fluid from the cat (Fig. 8) was found difficult to study, as but fewspermatozoa were present. Each spermatozoon presented a tibrillated tail, andat times this fibrillation was seen to surround the head. The head staineddeeply, and at times a centrosome was distinct. Decided irregularity was notedin the size and form of the heads, which partially explains the variations foundin the measurements of these cells. Total length, . to mm., or to in. Length, head, . . to mm., or to in. Width, head, . to mm., or to in. Length, tail, . . to mm., or to in. and Laboratory Methods. 1365. At first sight the spermatozoon ofthe rat (Fig. 9) reminds one of theimmature male cell of the bird, andit is not impossible that these cellsmay undergo further spermatic 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 detache
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmicrosc, bookyear1901
