CONTENTS. XIX 



Page 



263. Fuhnarus glacialis. Fulmar 268 



264. (Estrelata Jiypoleuca. Bonin-Island Shearwater 269 



265. Procelhria leachi. Leach's Fork- tailed Petrel 270 



266. melania. Black Petrel 270 



267. fiM-cata. Grey Fork-tailed Petrel 271 



Order IMPENNES. 

 Suborder XXV. IMPENNES. 



Order GALLO-GRALLJi:. 



Suborder XXVI. QAVI^. 



268. Alea troile arra. PaUas's Guillemot 273 



269. carho. Sooty Guillemot 274 



270. colwmba. Pigeon-GuiUemot 275 



271. antiqua. Bering's Guillemot 276 



272. wumizusume. Temminck's Guillemot 277 



273. marmorata. Marbled Guillemot 278 



274. hrevirostris. Kittlitz's Guillemot 279 



275. Fratereula cornieulata. Horn-eyed Puffin 280 



276. drrhata. Tufted Puffin 281 



277. monocerata. Horn-biUed Puffin 283 



278. psittamla. Parrot-billed Puffin 284 



279. cristatella. Crested Puffin 285 



280. pygmoea. Whiskered Puffin 286 



281. pusilla. Least Puffin 287 



282. Stercorarius riehardsoni. Bichardson's Skua 288 



283. bufoni. Buffi)n's Skua 289 



284. pomarinus. Pomarine Skua 289 



285. Larus glaucus. Glaucous GnU 290 



286. glaucescens. Glaucous-winged Gull • 290 



287. marinus sehistisagug. Eastern Great Black-backed Gull ... . 291 



288. cachinnans. PaUas's Herring-Gull 291 



289. leucopterus. Iceland Gull 292 



290. crassirostris. Temminck's GuU 293 



291. canus. Common GuU 293 



292. tridaclyTm. Kittiwake 294 



293. ridibundus. Black-headed Gull 295 



294. Sterna dougalli. Eoseate Tern 296 



