424 CALIFORNIA ACADEMY OF SCIENCES. 



37. Troglodytes sedon parkmanii. 



PARKMAN'S WREN. One specimen was taken January 24th , 

 and another seen on the 28th. 



38. Sitta carolinensis 'aculeata. 



SLENDER-BILLED NUTHATCH. Seen and heard singing 

 every day. Appeared to be looking for nesting sites March 

 1st. 



39. Parus inornatus. 



PLAIN TITMOUSE. Common. The males were singing the 

 latter part of March. 



40. Parus gambeli. 



MOUNTAIN CHICKADEE. Common. Noticed them singing 

 March 1st. 



41. Psaltriparus minimus californicus. 



CALIFORNIAN BUSH-TIT. Seen February 24th, during a 

 heavy snow storm, with a flock of the Mountain Chickadee. 



42. Regulus calendula. 



RUBY-CROWNED KINGLET. Two birds were seen the last of 

 March. 



43. Myadestes townsendii. 



TOWNSEND'S SOLITAIRE. Only two or three were seen. 



44. Turdus aonalaschkae. 



DWARF HERMIT THRUSH. Bare. None were seen after 

 February 22d. 



45. Merula migratoria propinqua. 



WESTERN ROBIN. Common wherever the ground was bare 

 and soft. 



46. Sialia mexicana. 



WESTERN BLUEBIRD. Common. Mated by March 1st. 



I left the Volcano Mountains on April 2d, and went into 

 camp the same day at the foot of the mountains, on my re- 

 turn to Powav Valley. About dusk two Russet-backed 



