INHERITANCE OK TEMPERAMENT. 



89 



while the other is a quick-tempered imbecile. This may be a case of 

 complete dominance of the excited tendency even in the simplex con- 

 dition, and, as such, it offers no exception. I place it in the duplex- 

 excited class solely on the basis of actual behavior. There is no real 

 contradiction to theoretical expectation. 



In class 6, mating la is between a man who had an ugly, disagreeable 

 disposition and was a great fighter, and a woman of pleasant disposition 

 but subject to sick headaches, a trait that seems to indicate a (reces- 

 sive) nervous weakness. By hypothesis all of the children should be 

 at least nervous, and 4 actually are, but the fifth seems to be more 

 than that and in a fit of excitement committed suicide by swallowing 

 poison. This may be a case of complete dominance of the exciting 



Total number of offspring recorded in this table, 629. 



'The totals in this table differ slightly from those reported in Davenport, 1915, p. 457, due to changes 

 introduced in a final revision. 



