It is said, moreover, that they are of the same generic stock with the Aztecs of Mexico, the ancient Peruvians, and all the other city-building peoples of both North and South America.
It was an evil day for the brown race of New Mexico when horses strayed from the Spanish settlements into the desert, and the savage red tribes became cavalry.

This feeble civilization then received a more cruel shock than that which had been dealt it by the storming columns of the conquistadors.

The horse transformed the Utes, Apaches, Comanches, and Navajos from snapping-turtles into condors.

Thenceforward, instead of crawling in slow and feeble bands to tease the dense populations of the pueblos, they could come like a tornado, and come in a swarm.

At no time were the Moquis and their fellow agriculturists and herdsmen safe from robbery and slaughter.