THE FACTORS WHICH DETERMINE SEX 697 



psycho-sexual character could be produced, associated with growth 

 of the mamimu on the one hand and some development of the male 

 organs on the other. 



> 

 ^ V 



~ 

 *ZZ -" 



-.< .- 

 -- k 



o w 

 -t> - 





Moore, 1 workiiiu r uj>on rats and guinea-pigs, has obtained results 

 in a general way similar. Like Sand, he has produced artificial 



1 Moore (A.), " On the Physiological Properties of the Gonads as Controllers of 

 Somatic and Psychical Chai-ac-teri.stics," I., II., III., and IV., Jour, of E.< /,. / >,/., 

 vol. xxviii., 1919, and vol. xxxiii., 1921. 



