408 BULLETIN 16 7, UNITED STATES NATIONAL MUSEUM 



Simmons, G. F., on black vulture, 29, 

 33, 40. 



on broad-winged hawk, 250. 



on Harris's hawk, 142. 



on swallow-tailed kite, 40. 



on Texas red-sliouldered hawk, 211. 

 Simpson, C. T., on Florida red-tailed 



hawk, 179. 

 Simpson, R. B., on eastern goshawk, 127. 



on sharp-shinned hawk, 101. 

 Singley, J. A., on eastern red-tailed 



hawk, 153. 

 s. johainiis, Buteo lagopus, 269. 

 Skinner, M. P., on American osprev, 

 354, 359, 362, 367, 375. 



on American rougli-legged hawk, 

 274. 



on black vulture, 43. 



on Cooper's hawk, 118. 



on eastern red-tailed hawk, 160. 



on golden eagle, 305, 310. 



on jiiarsh hawk, 79. 



on northern bald eagle, 336. 



on sharp-shinned hawk, 104. 



Oil Swainson's hawk, 222, 224, 230, 

 233. 



on turkey vulture, 21, 22. 



on western red-tailed hawdc, 167, 

 173. 

 Slater, H. H., on gray sea eagle, 319. 

 Slevin, J. K., on golden eagle, 298. 

 Smith, A. P., on Cooper's liawk, 118. 

 Smith, C. F., viii. 

 Smith, F. K., viii. 

 Smith, J. D., 88. 

 Smith, W. A., on American rough-legged 



hawk, 274. 

 Smith, W. A. and G. M., on eastern red- 

 tailed hawk, 152. 



on northern red-shouldered hawk, 

 186. 



on turkey vulture, 14. 

 Smith, Wilbur, 192L 

 Smyth, E. A., Jr., on broad-winged 



hawk, 245. 

 sociabilis plumbeus, Rostrhamus, 70. 

 socorroensis, Buteo borealis, 163. 

 Southern bald eagle, 321. 

 Sprot, G. D., viii. 

 Starr, F. A. E., on American osprey, 300. 



on sharp-shinned hav/k, 100. 

 Stenrns, W. A., on American osprey, 352. 

 Srejneger, Leonhard, on Steller's sea 



eagle. 350, 351. 

 Steller's sea eagle, 349. 

 Stephens, Fi-ank, 2, 213. 



on Mexican goshawlv, 268. 



on Swainson's hawk, 231. 

 Stevens. G. W., on Mississippi kite, 



64, 66, 67, 09. 

 Stevens, Lawrence, viii. 

 Stockard, C. R., on black vulture, 31, 32. 

 Stoddard, H. L., on marsh hawk. 85, 88. 



on sharp-shinned hawk, 101. 

 Stone, C. F., on Cooper's hawk, 114. 



on eastern goshawk, 134. 



on eastern red-tailed liawk, 149. 



Stone, Witmer, on Mississippi kite, 70. 



on sharp-shinned hawk, 107. 

 Storer, T. I., and Grinnell, Joseph, on 



Swainson's hawk, 231. 

 striatulus, Astur atricapillus, 138, 139. 

 subtilis, Urubitinga, 204. 

 Sugden, J. W., on marsh hawk, 81. 

 Sullivan, W. P., on ferruginous rougii- 



leg, 289, 290. 

 Sumichrast, F. E., on Mexican black 



hawk, 262. 

 Sumner, E. L., Jr., 295, 296. 



on eastern red-tailed hawk, 148, 



149, 155, 160. 

 on golden eagle, 300-302, 309. 

 on marsh hawk, 81, 87. 

 on western red-tailed liawk, 109, 

 170, 172, 173. 

 Sutton, G. M., on Cooper's hawk, li:2. 

 on eastern goshawk, 128-131, 135- 



137. 

 on eastern red-tailed hawk, 157. 

 on Mississippi kite, 60, 69. 

 on sharp-shinned hawk, 107. 

 Sutton, G. M., and Holt, E. G., on 



swallow-tailed kite, 50. 

 swainsoni, Buteo, 222. 

 Swainson's hawk, 222. 

 Swales, B. H., and Taveruer, P. A., 



on sharp-shinned hawk, 108. 

 Swallow-tailed Ivite, 44. 

 Swarth, H. S., on eastern goshawk, 130. 

 on Harlan's hawk, 174-178. 

 on zone-tailed hawk, 214. 

 Syk-es, L. J., 134, 135. 

 I'albot, D. H., on swallow-tailed kite, 



51, 53. 

 Taveruer, P. A., 130. 



on horealis group of hawks, 174. 

 on ferruginous rouglileg, 286, 290. 

 on Hai'lan's hawk, 176, 177. 

 Taveruer, P. A., and Swales, B. H., on 



sliarp-shiiined hawk, 108. 

 Taylor, H. R., on California condor, 3. 

 Taylor, W. P., and Shaw, W. T., on 



Swainson's hawk, 232. 

 texanus, Buteo liiieatus, 197, 210. 

 Texas red-shouldered liawk, 210. 

 Thallasoaetus pelagieus, 349. 

 Thaver, J. E., on sharp-shinned hawk, 



98. 

 Thomas, E. S., on black vulture, 33, 



34, 42. 

 Thomas, G. B., on Mexican l)lack 



lla^vk, 259-262. 

 Thompson, Paul, viii. 

 Todd, W. E. C, and Worthington, W. 



W., on sharp-shinned liawk. 111. 

 Tomkiiis, I. R., on marsh hawli, 86. 



on turkey vulture, 19. 

 Townsend, C. H., on North American 



white-tailed kite, 63. 

 Tov.TiSend, C. W., viii. 



on American osprey, 375. 



on American rough-legged hawlc, 



269, 279. 

 on black vulture, 28. 



