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MEMOIRS OF THE NATIONAL ACADEMY OF SCIENCES. 



it is thought that the petrographs afford additional testimony. Where these vicuiia-like animals 

 are delineated on the ancient rock-carvings, they are often associated with the figure of a man 

 holdingin his hand a peculiar four-branched instrument; one of the brandies is held by its extremity 

 in the hand, the others are in the air (Figs. 17, 18, and 19). This is thought to depict a herdsman 

 'or hunter in the act of casting the bolas. The bolas have, as far as can be ascertained, not been 

 in use in North America south of the Artie circle since the Columbian discovery, although an 

 implement, analogous in use but dillereut in form, is employed by the Eskimo. 



Fio. 19. Bock inscription of supposed bola-throwor, dancing men, and other objects. 



Fig. 20 is a copy of a rock inscription showing a number of these animals associated with a 

 hunter bearing a bow. Fig. 21, also from a rock carving, represents a supposed bola-thrower in 

 connection with a flock of turkeys. The turkey is found wild iu Arizona and was probably domes- 

 ticated by the ancient inhabitants of the country. 



Flo. 20. Rock inscription of vicuna-like animals and hunter. 



3. In sacrificial caves in mountains surrounding the Salado cities, knotted cords have been 

 found which are much like the quipus used by the ancient Peruvians. Similar knotted cords are 

 still in use by the people of Zuui and are by them called kispuwe, a name very similar in sound to 

 the Peruvian. 



4. In addition to these indications we must consider the great and closely corresponding 

 prevalence of the OH Incie in the skulls of these two widely separated peoples. This is a subject 

 discussed more fully in the> l somatological part of this work. 



