386 PHYSIOLOGY CHAP. 



(2) Homo phaeodermus (Australoid species, the dark brown 

 human species of Australia). He has preserved many character- 

 istics of the Homo primigenius : markedly dolichocephalic skull, 

 prognathous, retreating forehead, with the upper orbital edges 

 raised ; black hair growing in ringlets (cimotrichi). The main 

 branches are represented by the natives of New Holland (Neoranis), 

 the Veddas, and Dravidians. 



Fio. 154. Siamese (Jleoanthropus arcticus sivunensis). (G. Sergi.) 



(3) Homo meladermus (Negroid species, black human species) : 

 The skull is usually extremely dolichocephalic, prognathous ; 

 black woolly hair (ulotrichi). The hair is sometimes fleecy and 

 uniformly distributed (eriocomi) as in Negroes and Kaffirs ; some- 

 times grows in tufts (lofocomi) such as Hottentots and Papuans. 

 The most primitive varieties of this species are the Negritos of the 

 Malay peninsula and the pigmies (Akka) of Africa, from whom 

 sprang the Hottentots and Bush] peoples. Secondary varieties of 



