DOMESTICATED MAMMALS AND THEIR USES 231 
Tue Lrama (Lama Lama) AND Axpaca (L. Pacos).—We know 
from geological evidence that creatures of the camel kind first 
came into existence in North America. Thence some of them 
migrated into the Old World, passing over a land area that once 
existed in the North Atlantic (or v2é land uniting Alaska and 
ay 
Maal 
Warne eg 79 . esa 
a Ae I) gy ae N he 
Fig. 1166.—Kirghiz with Bactrian Camels (Camelus Bactrianus) 
Asia), while others made their way into South America. From 
the former Camels took origin, and from the latter the cameline 
forms of South America, with which we are now concerned. 
All animals of the sort having become extinct in the intervening 
area, and submergence of the connecting land having isolated 
the Old World from the New, the group has come to be distri- 
buted in a discontinuous manner. 
The domesticated camelines of South America are the Llama 
