238 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
Robin, St. Lucas, 8, 10, 216. 
Western, 215. 
Rock Wren, 199. 
rostratus, Ammodramus, 138, 140, 141. 
Rough-Leg, Ferruginous, 88. 
-legged-Hawk, Ferruginous, 10. 
-winged Swallow, 170. 
Royal Tern, 7, 24. 
ruber, Sphyrapicus, 105. 
ruberrimus, Carpodacus mexicanus, 133. 
rubiginosa, Dendroica aestiva, 180, 181. 
Ruby-crowned Kinglet, 208. 
Ruddy Duck, 46. 
Turnstone, 74. 
rufescens, Ardea, 52. 
ruficeps, Aimophila, 149. 
ruficollis, Ardea tricolor, 52. 
rufinucha, Aegialitis wilsonia, 73. 
Russet-backed Thrush, 210. 
ruticilla, Setophaga, 192. 
Sacer THRASHER, 194. 
St. Lucas Cactus Wren, 7, 197. 
Cardinal, 7, 155. 
Flycatcher, 7, 10, 121. 
House Finch, 7, 133. 
Nuthatch, 10, 203. 
Pyrrhuloxia, 7, 157. 
Robin, 8, 10, 216. 
Solitary Vireo, 174. 
Sparrow, 139. 
Hawk, 5, 90. 
Swallow, 7, 10, 167. 
Thrasher, 7, 195. 
Towhee, 7, 151. 
Woodpecker, 7, 102. 
Salpinctes obsoletus, 199. 
San Benito Sparrow, 5, 141. 
sanctorum, Ammodramus, 141. 
rostratus, 140, 141. 
Sanderling, 64. 
Sandpiper, 12 
Baird’s, 62. 
Least, 5, 62. 
Pectoral, 61. 
Red-backed, 63. 
Solitary, 67. 
Spotted, 5, 69. 
Western, 63. 
Solitary, 67. 
Sapsucker, Red-naped, 104. 
saturatus, Bubo virginianus, 96. 
savanna, Ammodramus sandwichensis, 188. 
Savanna Sparrow, Western, 187. 
saya, Sayornis, 118. 
Sayornis nigricans, 119. 
semiatra, 119. 
Sayornis saya, 118. 
Say’s Phoebe, 118. 
Scaup Duck, Lesser, 46. 
scirpicola, Geothlypis trichas, 186, 187. 
Scolecophagus cyanocephalus, 133. 
scolopaceus, Macrorhamphus, 61. 
scottii, Aimophila ruficeps, 149. 
Scott’s Oriole, 128. 
Screech Owl, Xantus's, 93. 
Seiurus noveboracensis, 185. 
notabilis, 184. 
Selasphorus alleni, 113. 
semiatra, Sayornis nigricans, 119. 
semipalmata, Aegialitis, 72. 
Symphemia, 68. 
Semipalmated Plover, 7, 72. 
senicula, Pipilo fuscus, 153. 
sequoiensis, Hylocichla guttata, 212. 
serrator, Merganser, 41. 
serripennis, Stelgidopteryx, 170. 
Setophaga ruticilla, 192. 
Sharp-shinned Hawk, 5, 81. 
Shearwater, 12. 
Black-vented, 6, 26, 29. 
Dark-bodied, 29. 
Townsend’s, 28. 
Wedge-tailed, 30. 
Short-eared Owl, 93. 
-winged Grebe, 13, 47. 
Shoveller, 45. 
Shrike, California, 172. 
White-rumped, 172. 
sinaloensis, Cardinalis cardinalis, 156. 
sinuata, Pyrrhuloxia, 158. 
sinuatus, Corvus corax, 125. 
sinuosa, Geothlypis trichas, 186, 187. 
Siskin, Pine, 136, 
Sitta carolinensis aculeata, 203. 
lagunae, 203. 
slevini, Hylocichla aonalaschkae, 218. 
Snipe, Red-breasted, 61. 
Wilson’s, 60. 
Snowy Heron, 51. 
Plover, 72. 
Socorro Petrel, 31, 33. 
socorroensis, Buteo borealis, 83, 85. 
solitarius, Helodromas, 67. 
Solitary Sandpiper, 67. 
Western, 67. 
Vireo, St. Lucas, 174. 
Sonora Yellow Warbler, 180. 
Sonoran Red-wing, 127. 
sonorana, Dendroica aestiva, 179, 180. 
sonoriensis, Agelaius phoeniceus, 127. 
Carpodacus mexicanus, 134. 
Sora, 56. 
sororia, Aimophila ruficeps, 148. 
