MALLERY. | IN AZUZA CANYON, CALIFORNIA. 69 
cavity, its position at the side of the narrow valley, and the echo ob- 
served upon speaking a little above the ordinary tone of voice. 
Painted rocks also occur in the Azuza canyon, about 30 miles north- 
east of Los Angeles, of which Fig. 31 gives copies. 
Just before his departure from the Santa Barbara region, Dr. Hoffman 
was informed of the existence of eight or nine painted records in that 
neighborhood, which up to that time had been observed only by a few 
sheep-herders and hunters. 
Fic. 31.—Petroglyphs in Azuza canyon, Calitornia. 
Mr. L. L. Frost, of Susanville, California, reports the occurrence of 
pictographs (undoubtedly petroglyphs) 15 miles south of that town, on 
Willow creek, and at Milford, in the lower end of the valley. No de- 
tails were furnished as to their general type and condition. 
On Porter creek, 9 miles southwest of Healdsburg, on a large bowlder 
of hornblende syenite, petroglyphs similar to those found in Arizona 
and Nevada are to be seen. They are generally oblong cireles or ovals, 
some of which contain crosses. 
Figs. 32 and 33 are reduced copies 3); of original size of colored petro- 
glyphs found by Dr. Hoffman in September, 1884, 12 miles west-north- 
west of the city of Santa Barbara, California. The locality is almost 
at the summit of the Santa Ynez range of mountains; the gray sand 
