THE PLACENT.E OF RUMINANTS. 



109 



of the disposition of the foetal villi, and of the parts of the 

 uterus which receive them. Thus, in the Horse, Camel, and 

 Cetacea the villi are scattered, as in the Pig, and the placenta is 

 said to be diffuse ; while, in almost all true Ruminants, the foetal 



Fig. 44. 



Fig. 44. — Uterus of a Cow in the middle of pregnancy laid open. — V, vagina ; U, uterus ; 

 Ch, chorion ; C 1 , uterine cotyledons ; C' 2 , foetal cotyledons (after Colin). 



Fig;. 45. 



:b 



tV 



u 





Ch A. Co 



m 



jj Co z Co 



Fig. 45. — A. Horn of the Uterus of a pregnant Ewe, laid open to show, Ch, the chorion ; 

 with Co, the cotyledons. 



B. Diagrammatic section of a Cotyledon. — U, uterine wall ; Co 1 , uterine cup of the coty- 

 ledon ; Co 2 , chorionic villous tuft of the cotyledon. 



''From a preparation in the Museum of the Royal College of Surgeons.) 



