THE CHIMPANZEE 



37 



towards the north end of Lake Tanganyika. Its 

 limits appear to conform more to isothermal lines, 

 than to the rigid lines of geometry. 



Specimens are sometimes secured by collectors 

 beyond the limits mentioned, but so far as I can 

 ascertain they appear to have been captured within 

 these limits. There are numerous centres of popula- 

 tion. This ape is not strictly confined to any definite 

 topography, but occupies the upland forests or the 

 low basin lands. 



In one section he is known to the natives by one 

 name, and in another by quite a different one. The 

 name chimpanzee is of native origin. In the Fiot 

 tongue the name of the ape is chimpan, which is a 

 slight corruption of the true name. It is properly a 

 compound word, the first syllable is from the Fiot 

 word tyi, which white men erroneously pronounce 

 like chee." It means " small," and is found in 

 many of the native compounds. The latter syllable 

 is from mpd, a bushman, hence the word literally 

 means, in the Fiot tongue, a small bushman." 



Among other tribes the common name of the ape 

 is ntyigo. The two names appear to come from the 

 same ultimate source. The latter is derived from 

 the Mpongwe word ntyia, blood, hence breed, and 

 the word iga^ the forest, and literally means the 

 " breed of the forest." The same idea is involved in 

 the two names, and both convey the oblique idea 

 that the animal is something more like man than 

 other animals are. 



There are two distinct types of this ape, and they 



