The Journal of experimental zoology . rom yolk gran-ules. This relation isclearly seen in Fig. the center of thecytaster are alwaysfound a few darkgranules of varioussizes. In small cytas-ters, where there isvery little centro-plasm, the granulesare crowded together /TTip-c Qo anrl ob^ 9 ^^ ^ Cytasters from the section shovVn in Fig. 6, more „,i M • .1 hiehlv enlarged. Oc, cytaster with enlarged centrosome and several while m case the cen- •..,.. ,. ^ , • 1 1 centnoles in it, snowmg mtermediate stage between the cytasters troplasm is enlarged 9^ and fe, and the one shown in Fig. 7. the gr
The Journal of experimental zoology . rom yolk gran-ules. This relation isclearly seen in Fig. the center of thecytaster are alwaysfound a few darkgranules of varioussizes. In small cytas-ters, where there isvery little centro-plasm, the granulesare crowded together /TTip-c Qo anrl ob^ 9 ^^ ^ Cytasters from the section shovVn in Fig. 6, more „,i M • .1 hiehlv enlarged. Oc, cytaster with enlarged centrosome and several while m case the cen- •..,.. ,. ^ , • 1 1 centnoles in it, snowmg mtermediate stage between the cytasters troplasm is enlarged 9^ and fe, and the one shown in Fig. 7. the granules are found farther apart from one another. In no case I was able to find at the center either a single granule or the granule at the division stage. In the section represented in Fig. 7 only one large cytasteroccupies the central part of the fragment and the centroplasmis of enormous size with many dark granules. The rays arecomparatively short and not very straight. They intercross oneanother, giving a felt-like Fig. V (X2284). 298 ISfaohide Tatsu.
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Keywords: ., bookauthorwi, bookcentury1900, bookdecade1900, booksubjectzoology
