430 CALIFORNIA ACADEMY OF SCIENCES. 



45. Tachycineta thalassina. 



YiOLET-GREEN S WALLOW. — About ten birds were seen fly- 

 ing in a northerly direction April iOtli. 



*46. Lanius ludovicianus excubitorides. 

 White-eumped Shrike. — Common. 



47. Vireo gilvus. 



Warbling Yireo. — Was seen singing in the oaks. 



48. Dendroica sestiva. 



Yellow Warbler. — Eare. One male seen. 



*49. Dendroica auduboni. 

 Audubon's Warbler. — A few seen in April. 



50. Geothlypis trichas occidentalis. 

 Western Yellow Throat. — Eare. 



*51. Mimus polyglottus. 



Mockingbird. — Could be heard singing morning and even- 

 ing, and often on moonlight nights. 



52. Harporhynchus redivivus. 



Califorian Thrasher. — Quite common throughout the 

 low hills. 



53. Campylorhynchus brunneicapillus. 



Cactus Wren. — Common. A nest and fresh eggs taken 

 April 18th. 



54. Salpinctes obsoletus. 



EocK Wren. — Tolerably common in suitable localities. 



55. Troglodytes aedon parkmanii. 



Parkman's Wren. — Common. 



