<S?Vj 
4 - 1 4 
M' 
mi 
v.S 
<L~1 
ScMS 
.CONTENTS. 
Genus III. Larus. Gull. 
9 
Forked-tailed Gull, - 
Larus Sabini, 
10 
Ross’ Gull, 
Rossii, 
13 
Bonaparte’s Gull, 
Bonapartii, 
14 
Black-headed, or Laughing Gull, 
Atricilla , - 
19 
Franklin’s Rosy Gull, 
Franklinii, 
28 
Kittiwake Gull, 
tridactylus, 
29 
Ivory Gull, 
eburneus, - 
33 
Common American Gull, - 
zonorhynchus, - 
35 
White-winged Silvery Gull, 
leucopterus, 
42 
Western Gull, - 
, occidentalism - ’ 
44 
Herring or Silvery Gull, - 
argentatus, 
46 
Glaucous Gull or Burgomaster, 
glaucus, 
53 
Great Black-backed Gull, 
- 
marinus, - 
55 
FAMILY XLIII. PROCELLARINiE. FULMARS. - 
67 
Genus I. Lestris. Jager. 

68 
Pomanne Jager, 
- 
- 
Lestris pomarinus, 
69 
Richardson’s Jager, - 
- 
- 
Richardsonii, - 
73 
Arctic Jager, - 
- 
parasiticus , 
‘75 
Genus II. Diomedea. 
Albatross. .... 
78 
Yellow-nosed Albatross, - 
- 
- 
Diomedea chlororhynchos , 
79 
Black-footed Albatross, 
- 
- 
nigripes, 
81' 
Dusky Albatross, 
• 
- 
fusca, - 
83 
Genus III. Procellaria. 
Fulmar. .... 
84 
Gigantic Fulmar, 
. 
Procellaria gigantea, - 
85 
Common Fulmar, 
- 
- 
glacialis, 
87 
Pacific Fulmar. 
- 
- 
pacifica , 
91 
Slender-billed 1 Fulmar, 
• 
- 
tenuirostris, 
93 
Genus IV.- Puffinus. 
Shearwater. .... 
. 
94 
