THE EGG 



Fig. 10. Form of the uterus in a series of mammals, illustrating the 

 various degrees to which the two horns of the uterus are separate or 

 fused. Ay monotreme (Echidna); B, marsupial (opossum); C, rodent 

 (rabbit); D, carnivore (dog); E, ungulate (mare); F, primate (Rhesus 

 monkey). From Physiology of the Uterus, with Clinical Correlations, by 

 S. R. M. Reynolds, by courtesy of the author and Paul B. Hoeber, Inc. 



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