TABOO AND GENETICS 83 



of work, resulting in a narrower range of choice 

 of occupation, disadvantageous in competitive 

 society ; (3) But the one fundamental difference, 

 to which all the others are as nothing, is the 

 specialization of the mammalian female body 

 and metabolism to furnish the intra-maternal 

 environment (approximately nine months in 

 the human species) for the early development 

 of the young and lactation for some months 

 afterward. 



This last may be said to include the former 

 two, which were arbitrarily placed first because 

 they are always in evidence, whether reproduc- 

 tion is undertaken or not. This takes us out of 

 cell and endocrine biology and into the general 

 problem in group adjustment to environment 

 which that specialization entails. 



BIBLIOGRAPHY FOR CHAPTER III 



1. Goldschmidt, R. Experimental Intersexuality and the 



Sex Problem. Amer. Naturalist, 1916. Vol. 50, 

 pp. 705f. 



2. Goldschmidt, R. Preliminary Report on Further 



Experiments in Inheritance and Determination of 

 Sex. Proc. Nat. Acad. Sc, 1916. Vol. II, No. i, 



PP- 53^- 



3. Goldschmidt, R. A Case of Facultative Partheno- 



genesis. Biol. Bulletin, 1917. Vol. XXXII, No. i, 

 p. 38. 



4. Goldschmidt, R. Intersexuality and the Endocrine 



Aspect of Sex. Endocrinology, Vol. I, p. 434. I9I7' 

 Fine summary of the work done on moths, birds 

 and various forms by many biologists. 



