124 



Sierra Club Bulletin. 



28. Thick-billed Fox Sparrow. Passerella iliaca megarhyncha. 



29. Spurred Towhee. Pipilo maculatus megalonyx. 



30. Black-headed Grosbeak. Zamelodia melanocephala. 



31. Lazuli Bunting. Passerina amcsna. 



32. Western Tanager. Piranga ludoviciana. 



33. Violet-green Swallow. Tachycineta thalassina lepida. 



34. Western Warbling Vireo. Vireosylva gilva swainsoni. 



35. Cassin Vireo. Lanivireo solitarius cassini. 



36. Calaveras Warbler. Vermivora rubricapilla gutturalis. 



37. California Yellow Warbler. Dendroica cBstiva hrewsteri. 



38. Audubon Warbler. Dendroica auduboni. 



39. Black-throated Gray Warbler. Dendroica nigrescens. 



40. Hermit Warbler. Dendroica occidentalis. 



41. MacGillivray Warbler. Oporornis tolmiei. 



42. Western Yellow-throat. Geothlypis trichas occidentalis. 



43. Golden Pileolated Warbler. Wilsonia pusilla chryseola. 



44. Dipper or Water-Ouzel. Cinclus mexicanus unicolor. 



45. Dotted Canon Wren. Catherpes mexicanus punctulatus. 



46. Western Winter Wren. Nannus hiemalis paciiicus. 



47. Sierra Creeper. Certhia familiaris zelotes. 



48. Red-breasted Nuthatch. Sitta canadensis. 



49. Slender-billed Nuthatch. Sitta carolinensis aculeata. 



50. Mountain Chickadee. Penthestes gamheli. 



51. Western Golden-crowned Kinglet. Regulus satrapa oliva- 



ceus. 



52. Ruby-crowned Kinglet. Regulus calendula. 



53. Russet-backed Thrush. Hylocichla ustulata. 



54. Sierra Hermit Thrush. Hylocichla guttata sequoiensis. 



55. Western Robin. Planesticus migratorius propinquus. 



The following articles have been published relative to 

 birds of Yosemite Valley: — 



1893. Emerson, W. O. Random Bird-notes from Merced Big 

 Trees and Yosemite Valley. Zoe IV, July, 1893, PP- 176-182. 



1898. Ray, M. S. A Summer Trip to Yosemite. Osprey III, 

 December, 1898, p. 55. 



1904. Widmann, O. Yosemite Valley Birds. Auk XXI, Janu- 

 ary, 1904, pp. 66-73. 



1908. Keeler, C. A. Bird Life of Yosemite Park. Sierra Club 

 Bulletin VI, January, 1908, pp. 245-254. 



1910. Torrey, B. The Western Winter Wren in the Yosemite. 

 Condor XII, March, 1910, p. 79. 



Museum of Vertebrate Zoology, University of California, June 

 4, 1911. 



