ACTION OF SEX HORMONES IN FOETAL LIFE 385 



List of cattle tiriijs examined in iitero 



10 



11 



12 



35 cm. each 



d" 23 cm. 

 ^ 21.5 cm. 



25.5 cm. 

 26.5 cm. 



cf 24 cm. 



^22.5 cm. 



17 cm. each 



d" 16.8 cm. 

 ^ 16.3 cm. 



About 20 cm. 



d 26.5 cm. 



(wt. 2 lb., 6 



oz.) 

 9 23.3 cm. 



(wt. 1 lb., 



6.5 oz.) 



d 20 cm. 

 9 20 cm. 



23 cm. each 



Single 



Single 



Single 



Single 

 Single 



Single 



? (See note 1) 



Single, nar- 

 row con- 

 nection 



Single, nar- 

 row con- 

 nection 



Nearly sepa- 

 rated; unit- 

 ed by nar- 

 row strand 



Single 



Single 



MATERNAL OVARIES 



Not observed 



Not observed 



Not observed 



Not observed 



Not observed 



Only one ovary present. Con- 

 tains corpus luteum 



Both ovaries present. Corpus 

 luteum in each 



Ovaries absent 



Ovaries absent 



Ovaries absent 



Ovaries absent 



Ovaries absent 



