50 CALIFORNIA ACADEMY OF SCIENCES. 



Wing, 72.5 mm.; tail feathers, 55.1 ram.; bill, from nos- 

 tril, 14.3 mm.; tarsus, 20.4 mm.; middle toe, 14.8 mm. 

 Three females, shot at the same time, average: 

 Wing, 70 mm.; tail feathers, 52 mm.; bill, from nostril, 

 13.8 mm.; tarsus, 20.6 mm.; middle toe, 15 mm. 



75. Sitta canadensis. 



Eed-breasted Nuthatch. — A number were seen in Sep- 

 tember, 1885, and a single female secured for identifica- 

 tion. 



76. Regulus calendula. 



KuBY-CROWNED KiNGLET. — A single specimen was taken 

 and prepared by Mrs. Rugg. 



77. Tardus aonalaschkse. 



Dwarf Hermit Thrush. — One specimen seen by Mrs. 

 Rugg in the winter of 1886-7. 



78. Merula migratoria propinqua. 



Western Robin. — Stragglers are occasionally seen dur- 

 ing the winter. 



79. Hesperocichla naevia. 



Varied Thrush. — Several came to the island in the win- 

 ter of 1886-7, and a specimen was secured. 



80. Sialia mexicana. 



Western Bluebird. — A few seen occasionally. 



81. Sialia arctica. 



Mountain Bluebird. — They appear in flocks in the win- 

 ter time, but remain only a few days. 



