M. C. CHANG 



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Plate I. 1, A portion of a rabbit Fallopian tube showing the blood 

 vessels. 2, The first polar body (A) of an unfertilized rabbit egg and the 

 first polar body (A) and the second polar body (B) of a fertilized rabbit 

 egg. 3, A section of a rat ovaiy, showing the cleavage of a follicular egg 

 and the thick granulosa cells of the follicle. 4, A tripolar spindle of a rabbit 

 blastocyst. 



