232 THE COCO-MARICOPA AND 
wards my tent in single file, with a great deal of 
importance. The leader advanced with a dignified 
air, and the Doctor got his bottles ready to receive 
the specimens which the six men had collected. But 
his expectations, if he indulged any, of adding new 
species to his collection, soon vanished, when the man 
laid upon the table two small lizards, minus their tails, 
which had been broken off in securing them. For their 
arduous services in the cause of science, the captors 
of the tailless lizards coolly demanded a shirt apiece. 
Two old chiefs made their appearance to-day, and 
at once recognised Mr. Leroux as the person who 
guided Colonel Cooke and his battalion through here 
in 1847. Mr. Leroux also recognised one whom they 
called Blanco, as a chief who commanded the Marico- 
pas twenty-five years ago, when a party of hunters 
and trappers from New Mexico, among whom was 
Leroux, had a severe fight with them, and escaped 
narrowly with their lives. On being reminded of it, 
the old chief recollected the circumstances, which he 
related, and which corresponded with the account of 
Leroux. 
The valley or bottom-land occupied by the Pimos 
and Coco-Maricopas extends about fifteen miles along 
the south side of the Gila, and is from two to four 
miles in width, nearly the whole being occupied by 
their villages and cultivated fields. The Pimos occUpy 
the eastern portion. There is no dividing line betwee? 
them, nor any thing to distinguish the villages of one 
from the other. The whole of this plain is intersected 
by irrigating canals from the Gila, by which they 
are enabled to control the waters, and raise the 
