212 



THE CHICAGO ACADEMY OF SCIENCES. 



Scolopacidse, 65. 

 Scolopax delicata, 65. 



flavipes, 73. 



hudsouica, 72. 



sakhalina, 71. 

 Seotiaptex, 103. 

 Scotiaptex nebulosa, 103. 

 Setophaga, 178. 

 Setophaga ruticilla, 178. 

 Seiurus, 169. 

 Seiurus aurocapillus, 169. 



ludovieianus, 172. 



motacilla, 172. 



nesvius notabilis, 170, 171. 



noveboracensls, 22, 170, 171, 172. 



noveboracensis notabilis, 170, 

 171, 172. 

 Sialia, 195. 

 Sialia sialis, 195. 

 Sitta, 187. 

 Sitta canadensis, 187. 



carolinensis, 187. 

 Sittidffi, 187. 

 Somateria, 45. 

 Somateria dresseri, 45. 



moUissima, 45. 



spectabilis, 21, 22. 

 Sparvius platypterus, 97. 

 Spatula, 40. 

 Spatula clypeata, 40. 

 Sphyrapicus, 110. 

 Spyhrapicus ruber. 111. 



varius, 110. 



varius nuchalis. 111. 

 Spinus, 132. 

 Spinus pinus, 132. 

 Spiza, 146. 



Spiza americaha, 146. 

 Spizella, 140. 

 Spizella monticola, 133, 140. 



pallida, 140. 



pusilla, 141. 



socialis, 140. 

 Squatarola, 78. 



Squatarola squatarola, 15, 78. 

 Steganopodes, 34. 

 Steganopus, 63. 

 Steganopus tricolor, 18, 63. 

 Stelgidopteryx, 150. 

 Stelgidopteryx serripennis, 150. 

 Stercorariidae, 28. 

 Stercorarius, 28. 

 Stercorarius parasiticus, 22. 



pomarinus, 22, 28. 

 Sterna, 32. 



antillarum, 33. 



caspia, 15, 20, 32. 



forsteri, 32. 



havelli, 82. 



hirundo, 32, 33. 



maxima, 21. 



nigra, 33. 



Philadelphia, 31. 



plumbea, 33. 



superciliaris, 33. 



surinamensis, 33. 



tsehegrava, 32. 

 Sternula antillarum, 33. 

 Strigidse, 101. 

 Strix, 101. 



Strix arctica, 106. 



brachyotus, 102. 



caparoch, 107. 



cinerea, 103. 



flammea, 101. 



flammea var. americana, 101. 



flammea var. pratincola, 101. 



hudsonica, 107. 



otus, 102. 



pratincola, 101. 



tengmalmi, 104. 

 Sturnella, 124. 

 Sturnella magna, 124. 



neglecta, 124. 

 Sturnus ludovieianus, 124. 

 Surnia, 107. 

 Surnia funeria, 107. 



ulula caparoch, 107. 



ulula var. hudsonica, 107. 

 Sylvia autumnalis, 163. 



canadensis, 161. 



icterocephala, 162. 



maritima, 160. 



pardalina, 177. 



protonotaria, 156. 



ruficapilla, 158. 



wilsonii, 177. 

 Sylvania bonapartii, 177. 

 Sylvidffi, 190. 

 Symphemia, 74. 

 Symphemia semipalmata, 15, 74, 75. 



semipalmata inornata, 74, 75. 

 Syrnium, 103. 

 Syruium varium, 103. 



Tachycineta, 149. 

 Tachycineta lepida, 149. 



thalassina, 149. 



thalassina lepida, 149. 

 Tanagridse, 147. 

 Tantalus loculator, 21. 

 Telmatodytes, 185. 

 Telmatodytes palustris iliacus, 185. 



palustris plesius, 186. 

 Tetrao phasianellus, 85. 



salicetl, 84. 

 Tetraonidse, 82. 

 Thryomanes, 182. 

 Thryomaues bewickii, 182. 

 Thryothorus, 181. 

 Thryothorus ludovieianus, 181. 

 Totanus, 72. 

 Totanus chloropygius, 74. 



flavipes, 67, 73. 



melanoleueus, 72. 

 Toxostoma, 181. 

 Toxostoma rufum, 181. 

 Trichas brachydaetyla, 175. 



tephrocotis, 173. 

 Tringa, 68. 

 Tringa alpina, 71. 



bartramia, 75. 



bonapartei, 69. 



canutus, 15, 23, 68. 



cinerea, 68. 



douglasii, 67. 



helvetica, 78. 



pectoralis, 69. 



pusilla, 70. 



rufescens, 76. 



