SYSTEMATIC INDEX. 13 



Page 



FAMILY L. LARIN^S. LARINE BIRDS, OR GULLS, 237 



GENUS CXLIX. GAVIA. MEW, 239 



298. Gavia Atricilla. Blackish-grey-headed Mew, . . 240 



299. Gavia ridibunda. Brown-headed Mew, . . . 240 



300. Gavia Sabini. Sabine's Mew, 241 



301. Gavia minuta. Little Mew, 242 



GENUS CL. LAKUS. GULL, 243 



302. Larus marinus. Great Black-backed Gull, . . 244 



303. Larus flavipes. Yellow-footed Gull, .... 245 



304. Larus argentatus. Silvery Gull, .... 246 



305. Larus glaucus. Glaucous Gull, .... 247 



306. Larus leucopterus. White-winged Gull, . . . 247 



307. Larus canus. Green-billed Gull, .... 248 



GENUS CLI. RISSA. KITTIWAKE, 249 



308. Rissa tridactyla. Kittiwake, 250 



GENUS CLII. CETOSPAEACTES. WHALE-BIKD, . . . 351 



309. Cetosparactes eburneus. Ivory Whale-bird, . . 252 

 GENUS CLIII. RHODOSTETHIA. ROSY-GULL, . . . 252 



310. Rhodostethia Rossi. Ross's Rosy-Gull, . . . 253 

 GENUS CLIY. CATARACTES. PIRATE-BIRD, . . . 254 



311. Cataractes Skua. Brown or Skua Pirate-bird, . . 255 



312. Cataractes Pomarinus. Pomarine Pirate-bird, . 256 



313. Cataractes parasiticus. Parasitic Pirate-bird, . 257 



314. Cataractes Richardsonii. Richardson's Pirate-bird, 258 



FAMILY LI. PROCELLARIN^E. PROCELLARINE 



BIRDS, . . . . .258 



GENUS CLV. PROCELLARIA. FULMAR, .... 259 



315. Procellaria glacialis. Northern Fulmar, . . . 260 

 GENUS CLVI. CYMOTOMUS. SHEARWATER, . . . 261 



316. Cymotomus arcticus. Arctic Shearwater, . . 262 



317. Cymotomus Anglorum. Manks Shearwater, . . 262 



318. Cymotomus obscurus. Dusky Shearwater, . . 263 

 GENUS CLVII. THALASSIDEOMA. PETREL, . . . 263 



319. Thalassidroma Bulweri. Bulwer's Petrel, . . 264 



320. Thalassidroma Leachi. Leach's Petrel, . . . 265 



321. Thalassidroma Wilsoni. Wilson's Petrel, . . . 265 



322. Thalassidroma pelagica. Storm Petrel, . . . 266 



APPENDIX, 267 



323. Sylvia luscinioides, ....... 267 



INDEX, . 269 



