CONTENTS. 
Sabine’s Gull 
. 299. 
115 
Little Gull 
300. 
118 
Brown-headed Gull 
. 301. 
123 
Pewit Gull 
302. 
126 
Laughing Gull . 
. 303. 
131 
Common Gull 
. 304. 
135 
Kittiwake 
. 305. 
139 
Ivory Gull . 
306. 
143 
Glaucus Gull 
. 307. 
147 
Iceland Gull 
308. 
150 
Herring Gull 
. 309. 
153 
Great Black-hacked Gull 
310. 
159 
Lesser Black-hacked Gull 
. 311. 
162 
Common Skua 
312. 
166 
Pomerine Skua . 
. 313. 
171 
Arctic Skua . 
314. 
174 
Richardson’s Skua 
. 315. 
177 
Fulmar Petrel 
. 
316. 
181 
Cinereous Petrel 
. 317. 
184 
Manx Petrel 
318. 
186 
Storm Petrel 
. 319. 
189 
Fork-tailed Petrel . 
» . * 
320. 
192 
Wilson’s Petrel 
321. 
195 
Bulwer’s Petrel 
• 
322. 
197 
