1912 BIRDS OF SOUTHERN CALIFORNIA 107 



now in the U. S. National Museum (Bendire, Proc. U. S. Nat. Mus. x, 1887, 

 549). Extreme nesting dates are: Four eggs, fresh, taken by Antonin Jay in 

 the San Fernando Valley, Los Angeles County, April 7, 1901, and three eggs, 

 incubation advanced, taken by W. M. Pierce near Claremont, Los Angeles County, 

 July 12, 1904. 



368. (754) Myadestes townsendi (Audubon). Townsend Solitaire. 



Breeds in moderate numbers in the mountains from 6000 to 9500 feet alti- 

 tude, south to the San Bernardino Range. Occasionally appears in the mesa and 

 foothill region during the winter, at which season it occurs south to Lower Cali- 

 fornia. Recorded by B. W. Evermann as a very rare migrant in Ventura County. 

 Noted once or twice in the spring of 1881 (Auk in, 1886, 186). Female taken 

 by H. S. Swarth at Los Angeles, February 2, 1901, and a bird seen by him at 

 Switzer's Camp in the Arroyo Seco, October 19, 1900. Pair taken by Mr. Swarth 

 on Mt. Wilson, October 21, 1899. Male taken by J. E. Law at San Dimas, Los 

 Angeles County, March 20, 1901, and specimen taken by L. H. Miller in San 

 Antonio Canon, December 29, 1904. Two specimens taken and others seen by 

 A. K. Fisher in Cajon Pass, San Bernardino County, January 2, 1891 (N. Am. 

 Fauna no. 7, 1893, 144). Specimen taken by F. E. Blaisdell at Poway, San Diego 

 County, February 23, 1884, and noted by him at Temecula, the same county, 

 November 12, 1883. Specimen taken by L. Belding at San Diego, January 24, 

 1884 (Land Bds. Pac. Dist, 1890, 250). Two or three birds noted by W. O. 

 Emerson in the Volcan Mountains, San Diego County, during the spring of 1884 

 (Bull. Cal. Acad. Sci., n, 1887, 424). 



In Fish Canon, 7000 feet in the San Bernardino Mountains, J. Grinnell and 

 party found two nests on June 16, 1905. One contained three newly hatched 

 young and the other, four considerably incubated eggs. Still another nest was 

 found in the same locality, June 17, containing four eggs in which incubation was 

 far advanced. In 1906, two sets, of four eggs each, were found on the 22nd and 

 24th of June. The first set was well incubated and the second was fresh (Univ. 

 Calif. Publ. Zool. v, 1908, 128-9). 



369. (758) Hylocichla ustulata ustulata (Nuttall). Russet-backed 

 Thrush. 



Common summer resident of the willow regions of the lowlands. Arrives 

 during the latter part of April and early May and leaves mostly in late August 

 and the month of September. Breeds generally from the middle of May to the 

 middle of June. Earliest in the spring near Pasadena noted by H. A. Gaylord, 

 April 12 (1896) (Grinnell, Pub. 2, Pasadena Acad. Sci., 1898. 51), and the latest 

 in the fall, by H. S. Swarth in the Arroyo Seco, October 22, 1900. Adult female 

 taken and three more birds seen, by J. Grinnell on Santa Barbara Island, May 16, 

 1897 (Pub. 1, Pasadena Acad. Sci., 1897, 8). Found common on San Clemente 

 Island by C. B. Linton in October, 1907 (Condor x, 1908, 86). Extreme nesting 

 dates are: Four eggs, incubation slight, taken by Antonin Jay near Rivera, Los 

 Angeles County, May 14, 1905, and three eggs, incubation slight, taken by Ff. A. 

 Gaylord in the same locality, July 11, 1894 (Grinnell, Pub. 2, Pasadena Acad. 

 Sci., 1898, 51). 



