12 
SYSTEMATIC INDEX 
Page 
27 3. Podiceps cornutus. Sclavonian Grebe, . . . 203 
274. Podiceps auritus. Eared Grebe, . . . . 204 
Genus CXXXYIII. Sylbeocyclus. Dabchick, . . 204 
275. Syllbeocyclus europseus. European Dabchick, . 205 j 
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 XLYI. ALCINiE. ALCINE BIRDS, OR AUKS, 210 
Genus CXL. Uria. Guillemot, 211 
279. Uria Brunnichii. Large-billed Guillemot, . . 212 ! 
280. Uria Troile. Foolish Guillemot, .... 212 
281. Uria Grylle. White-winged Black Guillemot, . . 213 j 
Genus CXLI. Mergulus. Rotche, 214 
282. Mergulus Alle. Little Rotche, .... 215 , 
Genus CXLII. Alca. Auk, ...... 215 j 
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 XL VII. PELE CANINE. PELECANINE 
BIRDS, OR PELICANS, ... 219 
Genus CXLIY. Phalacrocorax. Cormorant, . . 221 
286. Phalacrocorax Carbo. Great Cormorant, . . . 222 
287. Phalacrocorax Graculus. Green Cormorant, . . 223 
Genus CXLY. Sula. Gannet, 224 
288. Sulla Bassana. Solan Gannet, .... 225 
ORDER XIX. MERSATRICES. PLUNGERS, 226 
FAMILY XLYIII. STERNIN^E. STERNINE BIRDS, 
OR TERNS, 228 
Genus CXLYI. 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 CXLYII. Megalopterus. Noddy, .... 235 
296 . Megalopterus stolidus. Common Noddy, . . . 236 
Genus CXLYIII. Gelochelidon. Gull-Tern, . . 236 
297 . Gelochelidon palustris. Marsh Gull-Tern, . . 237 
