430 CALIFORNIA ACADEMY OF SCIENCES. 



45. Tachycineta thalassina. 



VIOLET-GREEN SWALLOW. About ten birds were seen fly- 

 ing in a northerly direction April 10th. 



*46. Lanius ludovicianus excubitorides. 

 WHITE-RUMPED SHRIKE. Common. 



47. Vireo gilvus. 



WARBLING VIREO. Was seen singing in the oaks. 



48. Dendroica aestiva. 



YELLOW WARBLER. Eare. One male seen. 



*49. Dendroica auduboni. 

 AUDUBON'S WARBLER. A few seen in April. 



50. Geothlypis trichas occideutalis. 

 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. 



