292 INTERNAL SECRETIONS 



details. In the experiments of Athias the teats in the feminized 

 male attained a length of 7-5 mm.; they were enlarged at 

 their base; there was a protruding area around them; after 



D 



Fig 11'^.— Feminized male guinea pig suckling young.— Frora. Stemach. 



A. Feminized male. C. Suckling one young. 



B. Demonstration of penis. D. Suckling two young. 



a short interval an abundant milk secretion set in. Sand 

 observed a considerable hypertrophy of the teats and glands, 

 but no milk secretion, but, as Sand points out, this was 



