ACTION OF SEX HORMONES IN FOETAL LIFE 



447 



25B 



Fig. 25A Urinogenital sj'stem of sterile free-martin 26.5 cm. long. X |. 

 From two-sexed pair 21. In this case the gonad of the left side has entered the 

 saccus vaginalis; compare figure 12 for normal condition of the male. The right 

 gubernaculum has grown into the body-cavity. Observe the female disposition 

 of the teats and development of the glandular tissue of the mammary gland, 

 and compare male (fig. 12). 



Fig. 25B Part of 25A further dissected to show the left saccus vaginalis 

 containing the gonad on the left side; on the right side the gubernaculum is 

 turned over. Designations for 25A and 25B. 1, ovarian artery; 2, remains of 

 urinogenital ridge; 3, entrance to saccus vaginalis; If., gubernaculum; 5, Wolffian 

 duct; 6, teats; 7, mammary gland tissue; 8, clitoris; 9, gonad. 



