12 



SYSTEMATIC INDEX. 



Page 



273. Podiceps cornutus. Sclavonian Grebe, . . . 203 



274. Podiceps auritus. Eared Grebe, .... 204 



GENUS CXXXVIII. SYLBEOCYCLUS. DABCHICK, . . 204 



275. Syllbeocyclus europceus. European Dabchick, . 205 

 GENUS CXXXIX. COLYMBUS. LOON, . . 206 



276. Colymbus glacialis. Ring-necked Loon, . . . 207 



277. Colymbus arcticus. Black-throated Loon, . . 208 



278. Colymbus septentrionalis. Red-throated Loon, . 209 



FAMILY XLVI. ALCIN^E. ALCINE BIRDS, OR AUKS, 210 



GENUS CXL. URTA. GUILLEMOT, 211 



279. Uria Brunnichii. Large-billed Guillemot, . . 212 



280. Uria Troile. Foolish Guillemot, . . . .212 



281. Uria Gi-ylle. White-winged Black Guillemot, . . 213 



GENUS CXLI. MERGULUS. ROTCHE, 214 



282. Mergulus Alle. Little Rotche, .... 215 

 GENUS CXLII. ALCA. AUK, 215 



283. Alca Torda. Razor-billed Auk, .... 216 



284. Alca impennis. Great Auk, 217 



GENUS CXLIII. MORMON. PUFFIN, 217 



285. Mormon arcticus. Arctic Puffin, .... 218 



FAMILY XLVII. PELECANIN^E. PELECANINE 



BIRDS, OR PELICANS, ... 219 



GENUS CXLIV. PHALACROCORAX. CORMORANT, . . 221 



286. Phalacrocorax Carbo. Great Cormorant, . . . 222 



287. Phalacrocorax Graculus. Green Cormorant, . . 223 



GENUS CXLV. SULA. GANNET, 224 



288. Sulla Bassana. Solan Gannet, .... 225 



ORDER XIX. MERSATRICES. PLUNGERS, 226 



FAMILY XLVIII. STERNIN^E. STERNINE BIRDS, 



OR TERNS, 228 



GENUS CXLVI. STERNA. TERN, -229 



289. Sterna Caspia. Caspian Tern, 230 



290. Sterna Cantiaca. Sandwich Tern, .... 230 



291. Sterna Hirundo. Common Tern, .... 231 



292. Sterna arctica. Arctic Tern, 232 



293. Sterna Macdougallii. Roseate Tern, .... 233 



294. Sterna nigra. Black-breasted Tern, .... 233 



295. Sterna minuta. Little Tern, 234 



GENUS CXLVII. MEGALOPTERUS. NODDY, .... 235 



296. Megalopterus stolidus. Common Noddy, . . . 236 

 GENUS CXLVIII. GELOCHELIDON. GULL-TERN, . . 236 



297. Gelochelidon palustris. Marsh Gull-Tern, . . 237 



