246 GENERAL INDEX 



Reproductive functions, sex differences in, 116. 



„ „ and the intellect, 116. 



„ instincts, influence of environment on, 124, 125. 



„ „ „ „ hormonopoietic organs on, 125, 



128. 



„ „ „ „ mental control on, 124. 



Rodents, effect of oophorectomy on thyroid of, 38. 



Secondary sex characteristics, 14. (See, also, Sex characteristics, 



secondary.) 

 Sedentary life causing delayed puberty, 163. 

 Sella turcica, effects of artificial tumours in, 71. 

 Sensory disturbances at puberty, 209. 

 Sentiment ignored in discussion of femininity, 1. 

 Sex cells, bisexualism of, 9, 11. 



characteristics, bisexuality of, 11, 13. 



,, changes in, at puberty, 17. 



,, derangements of, 165. 



,, influence of interstitial cells of gonads on, 13, 28. 



,, ,, ,, pineal on, 194. 



„ pituitary on, 107, 165, 166, 167, 196, 

 215. 

 ,, and reproductive instincts, 127. 



,, primary, 6. 



,, ,, alteration in, after pinealectomy, 63. 



,, ,, influence of hormonopoietic organs on 



production of, 151. 

 ,, secondary, 14, 134. 



,, ,, alteration in, after pinealectomy, 63. 



,, ,, in birds, 14. 



,, ,, description of, 16. 



,, effect of pituitary hyperplasia on, 167. 



„ ,, ,, ,, suprarenal excess on, 199. 



,, ,, m it >> neoplasms on, 150, 



154, 166, 167. 

 ,, „ feminine, with ovitestis, 139. 



,, ,, influence of hormonopoietic organs on, 



89, 107, 151. 

 ,, ,, male, influence of suprarenal cortex on, 



74. 

 ,, ,, mammary development as, 86. 



,, ,, menstruation as, 127, 128. 



,, ,, in precocious puberty, 154. 



,, ,, ,, 'pseudohermaphrodites ', 148, 150 



,, ,, ,, rodents, 14. 



,, ,, stages of development of, 16. 



characterization, influence of gonads on, 152. 

 criteria of, in ■ pseudohermaphrodites ', 148, 151. 

 determination of, 6. 



,, ,, effect of environment and nutrition on, 9, 10. 



„ ,, at fertilization, 10. 



,, „ subsequent to fertilization, 10. 



„ „ in frog, 10. 



,, „ irregularity in, 133. 



„ „ in maggots, 11. 



differences, in hormonopoietic organs, 120. 

 ,, „ metabolism, 120, 166. 



„ ,, mind, 123. 



differentiation, a process of evolution, 113. 



