212 



THE CHICAGO ACADEMY OF SCIENCES. 



Scolopacidse, 65. 

 Scolopax delicata, 65. 



flavipes, 73. 



hudsonica, 72. 



sakhalina, 71. 

 Scotiaptex, 103. 

 Scotiaptex nebulosa, 103. 

 Setophaga, 178. 

 Setophaga ruticilla, 178. 

 Seiurus, 169. 

 Seiurus aurocapillus, 169. 



ludovicianus, 172. 



motacilla, 172. 



naevius notabilis, 170, 171. 



noveboracensis, 22, 170, 171, 172. 



noveboracensis notabilis, 170, 



171, 172. 

 Sialia, 195. 

 Sialia sialis, 195. 

 Sitta, 187. 

 Sitta canadensis, 187. 



carolinensis, 187. 

 Sittidse, 187. 

 Somateria, 45. 

 Somateria dresseri, 45. 



mollissima, 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 americana, 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. 

 Stercorariidse, 28. 

 Stercorarius, 28. 

 Stercorarius parasiticus, 22. 



pomarinus, 22, 28. 

 Sterna, 32. 



antillarum, 33. 



caspia, 15, 20, 32. 



forsteri, 32. 



havelli, 32. 



hirundo, 32, 33. 



maxima, 21. 



nigra, 33. 



Philadelphia, 31. 



plumbea, 33. 



superciliaris, 33. 



surinamensis, 33. 



tschegrava, 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 ludovicianus, 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. 

 Sylvidse, 190. 

 Symphemia, 74. 

 Symphemia semipalmata, 15, 74, 75. 



semipalmata inornata, 74, 75. 

 Syrnium, 103. 

 Syrnium 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. 



saliceti, 84. 

 Tetraonidse, 82. 

 Thryomanes, 182. 

 Thryomanes bewickii, 182. 

 Thryothorus, 181. 

 Thryothorus ludovicianus, 181. 

 Totanus, 72. 

 Totanus chloropygius, 74. 



flavipes, 67, 73. 



melanoleucus, 72. 

 Toxostoma, 181. 

 Toxostoma rufum, 181. 

 Trichas brachydactyla, 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. 



