ee NAUTILUS. 
Vol. XXXIV JULY, 1920. No. 1 
THE NAVAJO NATION. 
BY JAS. H. FERRISS. 
( Concluded. ) 
In northeastern Arizona sandstone and shale of different 
periods are the prevailing types, geologically. The Carrizo 
range and a small country about sixty miles north of Hol- 
brook, Arizona, and a few needles thrust through the desert 
floor here and there belong to the igneous group. Less than 
one-tenth is limestone, and in character of little worth to the 
snail industry. 
Vegetation is not so plentiful or varied in character as in the 
region lying southward to the Mexican border, but much of the 
material is new to collectors, and some of the species new to 
science. At an elevation between 6,000 and 7,000 feet juniper 
(J. monosperma) and pinyon (P. edulis), and up to 8,500 feet 
yellow pine (P. ponderosa), quaking asp, spruce and oak pre- 
vail, with columbines, phlox, aconitum, larkspur in the usual 
mountain profusion. Ferns are rare. 
W. N. Clute, editor of the American Botanist, and the pres- 
ent writer, both of Joliet, Ill., were invited to join the class of 
1919. They needed no urging. The good ship Ford, chafing 
at its Tucson anchorage was in line at Flagstaff July 1. Leay- 
ing the Lowell Observatory with the Normal School faculty and 
several pleasant people, a run was made over to Grand View, on 
the Grand Canyon, about 70 miles, to organize, get acquainted 
and make a fresh start. It is one of the best views of the 
