4o6 INTERNAL SECRETIONS 



B. Classification according to sex characters. 



1. According to degree and quality. 



(a) Complete intersexuality : somatic, psychical and genera- 

 tive sex characters (generative cells) of both sexes are 

 combined in the same individual. 



(b) Partial intersexuality. 



(i) Somatic intersexuality: somatic characters of 



both sexes are combined in the same individual, 

 (ii) Psychical intersexuality: instincts of both sexes 



are exhibited, 

 (iii) True homosexuality : the sexual instincts do not 



correspond to the sex of the somatic and 



generative characters. 



2. According to the time. 



(a) Simultaneous intersexuality: characters of both sexes 

 are continuously and simultaneously combined in the 

 same individual; female somatic characters may be 

 combined with male psychical and generative 

 characters and vice versa. 



(b) Successive intersexuality: the more or less sexually 

 differentiated organism acquires at a given moment of 

 embryonic or extrauterine life characters of the other 

 sex, a certain number of somatic, psychical, or genera- 

 tive characters becoming transformed into those of 

 the other sex; the transformation may be a more or 

 less complete one. 



(i) The transformation is a definite one. 

 (ii) The transformation is only a temporary one. 

 (iii) The transformation takes place periodically. 

 This scheme corresponds to the following definition : — 

 Intersexuality is an abnorjnal condition in which more or less 

 rudimentary characters of both sexes are combined in the same 

 individual; somatic, psychical, and generative characters of both 

 sexes may be present simultaneously or successively. 



Scheme A does not need further explanation. As to 

 Scheme B some consideration is necessary. The limits between 

 the different groups are not very sharp either in Scheme A 

 or in Scheme B\ there are transitions from one group to the 

 other. This is especially true of the different groups in 



