Appendix. 



199. California Russet-backed Thrush; Hylocichla 

 ustulata cedica (Oberh.). 



Length seven inches. Above olive-brown; breast 

 pale bufF, marked with distinct triangular spots 

 of brown. A whitish ring encircles the eye. 

 Belly white; sides olive-gray. An abundant 

 summer resident of the valleys of California. 

 Call-note a single short whistle with a rising 

 inflection. 



200. Dwarf Hermit Thrush; Hylocichla aona- 

 laschk^e Gmel. 



A slightly smaller species than the preceding 

 (length averaging six and a half inches). OHve 

 or grayish brown above, changing to rufous on 

 the upper tail-coverts and tail. Breast pale 

 buffy, marked with large triangular spots, and 

 sides pale gray. A buffy ring encircles the eye. 

 Common winter resident in the valleys of CaH- 

 fornia, and in the mountains of southern 

 California. Its call-note is a short, emphatic, 

 low, chuck! 



Audubon's Hermit Thrush {^Hylocichla aonalaschka 

 auduboni) is the variety found in the Sierra 

 Nevada Mountains during the summer months. 

 It is a slightly larger and grayer bird. Sierra 

 Nevada Mountains, San Bernardino, Calaveras, 

 Placer Counties (Coast Range, Monterey Co.), 

 Belding. 



201. Western Robin; Merula migrator ia pro- 

 pin qua Ridgw. 



Scarcely distinguishable from the eastern robin of 

 which it is a geographical race. Length ten 

 and a half inches. Above olive-slaty, lighter 



3S^ 



