444 



FRANK R. LILLIE 



Fig. 23 Urinogcnital system of sterile free-martin 22.5 cm. long. X '. From 

 two-sexed pair 38. The typical features recur here; the gubernaculum of the 

 right side has grown only partly into the body wall; compare the left side. 1, 

 gonad; 2, Wolffian duct; 3, gubernaculum; 4, urinogcnital sinus. 



