76 



I. W. Rowlands 



and the aged corpora lutea of pregnancy are not great. 

 Although they may be different in size it was felt that this 

 criterion was no certain means of classification, and to enable 

 the writer to be unaware of their size at the time of histological 

 examination, he was shown only a high-power microscopic 



Table 2 



The Growth of Corpora Lutea induced at Different Stages in 



Pregnancy 



