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MARC.ARET C. MANX. 



parallel to the periphery. In a few cases some of the dyads have 

 divided and the monads have moved apart from one another on 

 the spindle fibers. First polar bodies are often found, but no 

 evidence of second polar body formation was noted. The cyto- 

 plasm shows no marked differentiation, consisting of a rather 

 coarse reticulum enclosing a few large yolk globules and many 

 small granules. Some of them stain deeply and are found in 

 chains. These may be mitochondria. The zona pellucida is 



TABLE I. 



SUMMARY OF CYTOLOGICAL DATA AS RELATED TO POSITION IN THE OVIDUCT. 



