230 APES AND MONKEYS 



frequently relaxes it, so that a small red line is visible 

 between the lips. The usual height of the adult male 

 gorilla, if standing quite erect, is about five feet ten 

 inches. The tallest specimen that has ever been taken is 

 a trifle more than six feet two inches. 



I shall not pursue the comparison into minute details, 

 but shall leave that to the specialist, in whose hands it 

 will be treated with more skill and greater scope. As my 

 especial line of research has been in the study of the 

 speech and the habits of these animals, I shall confine my- 

 self to that. But the general comparison made is neces- 

 sary to a better understanding of these subjects. 



