PLACENTAL GENERATIVE ORGANS FEMALE. 837 



are most remarkable for their fecundity, become during gestation far 

 more capacious than the mesial portion of which they appear to be 

 prolongations. It is, in fact, in the cornua that the numerous progeny of 

 such animals are lodged during the whole time of their retention in the 

 uterus ; and consequently such an arrangement is absolutely requisite, 

 as must be evident from simply inspecting the gravid uterus of a Sow 

 (fig. 422), where the cornua uteri, (c c) are of remarkable dimensions. 



Fig. 422. 



Uterus of the Sow. 



(2483.) As we ascend from the more prolific inferior races to the 

 Quadrumana and the Human species, the proportionate size of the body 

 of the uterus becomes materially increased, and that of the cornua 

 diminishes in the same ratio, until in the Monkeys and in Woman the 

 latter become quite lost, and the now pyriform central part appears -to 

 compose the entire viscus, into the cavity of which the Fallopian tubes 

 seem immediately to discharge themselves. Thus gradually, therefore, 

 does the oviparous sexual apparatus assume the viviparous type ; and 

 then, passing through numerous intermediate forms, ultimately attains 

 its most concentrated condition in the uterus of the Human female. 



(2484.) In every other part of the generative system we shall like- 

 wise find the characters of the type at length completely established. 



