1917 BIRDS OF THE SOUTHERN CALIFORNIA ISLANDS 119 
1909. Wright, H. W. An Ornithological Trip to Los Coronados Islands, Mexico. < Con- 
dor, x1, May 1909, pp. 96-100, 3 figs. in text. 
Annotated list of 22 species. 
1910. A. O. U. Committee. Check-list of North American Birds. Third Edition; pp. 1- 
430, 2 maps. 
1910. Grinnell, J. Two Heretofore Unnamed Wrens of the Genus Thryomanes. Univ. 
Calif. Publ. Zool. v, February 1910, pp. 307-309. 
Original description of Thryomanes b. catalinae. 
1910. Howell, A. B. Notes from Los Coronados Islands. < Condor, x11, November 1910, 
pp. 184-187, 2 figs. in text. 
Running account of some of the birds observed. 
1910. Willett, G. A Summer Trip to the Northern Santa Barbara Islands. < Condor, 
xu, September 1910, pp. 170-174. 
Birds observed on Anacapa, Santa Cruz, San Miguel and Santa Rosa islands. 
1911. Burt, H.C. An Early Spring Trip to Anacapa Island. < Condor, x11, September 
1911, pp. 164-167, 1 fig. in text. 
Running account of birds encountered. 
1911. Howell, A. B., and van Rossem, A. Further Notes from Santa Cruz Island. 
< Condor, x111, November 1911, pp. 208-210. 
Annotated list of the more important birds seen. 
1911. Linton, C. B. Unusual Nesting Site of the San Nicolas Rock Wren. < Condor, 
x11, May 1911, p. 109. 
1911. Linton, C. B. Nests of the San Nicolas Rock Wren. < Auk, xxviir, October 1911, 
p. 489. 
1911. Mearns, E. A. Note on Two Unrecognized Forms of North American Birds. 
< Auk, xxvii, October 1911, p. 490. 
Mentions Zenaidura m. marginella from San Clemente Island. 
1911. Osburn, P. I. Collecting Socorro and Black Petrels in Lower California. < Con- 
dor, x11, January 1911, pp. 31-34, 2 figs. in text. 
1911. Osburn, P. I. Notes on Two Birds from Santa Catalina Island, California. 
< Condor, x1, March 1911, p. 76. 
1911. Ridgway, R. The Birds of North and Middle America. —U. S. Nat. Mus., Bull. 
50. Part v; Pteroptochidae, Formicariidae, Furnariidae, Dendrocolaptidae, Trochi- 
lidae, Micropodidae, Trogonidae; pp. i-xxiii,1-857, pls. ~-xxxm. 
1912. A. O. U. Committee. Sixteenth Supplement to the American Ornithologists’ 
Union Check-list of North American Birds. < Auk, xxrx, July 1912, pp. 380-387. 
1912. Cooke, W. W. Distribution and Migration of North American Shorebirds. —= Di- 
vision of Biological Survey, U. S. Department of Agriculture; Bull. 35, Revised; pp. 
1-100, 4 pls. 
1912. Grinnell, J. A Systematic List of the Birds of California. — Pacific Coast Avi- 
fauna, 8, August 1912, pp. 1-23. 
1912. Oberholser, H. C. A Revision of the Green Heron (Butorides virescens [Linna- 
eus]). < Proc. U. S. Nat. Mus., xxxxu, pp. 529-577. 
1912. Willett, G. Birds of the Pacific Slope of Southern California. — Pacifie Coast 
Avifauna, 7, July 1912, pp. 1-122. 
