PLATE 2 



EXPLANATION OF FIGURES 



3 Tubal ovum, No. 56 (10). The yolk-free peripheral and central zones and 

 the yolk-laden submarginal zone are well shown (X 607). 



4 Uterine ovuni, with pronuclei, No. 54 (2). The specimen is somewhat 

 abnormal in the possession of the third body (A) adjacent to one of the pronuclei 

 (X 790). 



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