37. delawarensis, Ord. (p. 273.)
38. califomicus, Lawr. (p. 276.)
39. camis, Linn. (p. 277.)
40. brachyrhynchus, Richardson, (p. 283.)
41. glaucescens, Naum. (p. 284.)
42. nelsoni, Henshaw. (p. 287.)
43. kumlieni, Brewst. (p. 288.)
44. glaucus, Fabr. (p. 289.)
45. leucopterus, Faber, (p. 295.)
46. elegaits, Milne-Edw.
[Lydekker, Cat. Foss. B. p. 177.]
47. Bp., LydeTcker, Cat. p. 179.
48. totano tires, Milne-Edw. (L., p. 180.)
49. iresnogetSÍ, Milne-Edw. (L., p. 180.)
50. rotUSttlB, Shufeldt, J. Acad. Philad. xi. p.
1892.
W. Mediterranean.
N. America.
W. Indies (winter).
Lower California (winter).
W. N. America.
W. Mexico (winter).
N. Europe & Asia.
Mediterranean Sea,
Persian Gulf, &
Chinese Seas (winter).
Arctic & Sub-arctic
America.
Western N. America
(winter).
N. Pacific coasts & Is. to
Vancouver.
Japan (winter).
S. California (winter).
N.W. America,
Alaska.
Cumberland Sound,
Baffin Land.
Newfoundland (winter).
New York (winter).
Arctic Regions.
Mediterranean & Caspian
Seas, Japan, California,
Florida (winter).
Jan Mayen Isl.,
Greenland,
N.E. America.
Iceland & W. Europe
(winter).
France (Lower Miocene).
Bavaria (Middle Miocene).
France (Lower Miocene).
France (Lower Miocene).
398, Oregon (Pliocene).
51. oreffOttUB, Shufeldt, I. c. Oregon (Pliocene).
52. taettllroitcitt, Van Beneden, Bull. Acad. Belg. xxxii. Belgium (Pliocene).
p. 216 (1871). ?
XVIII. GABIANUS, Bruch.
(Saunders, Oat. B. xxv. p. 297, 1896.)
1. pacificus (Lath.), (p. 297.) Australia, Tasmania.
XIX. LEUC0PH2ETJS, Bruch.
(Saunders, t. c. p. 299.)
T. scoresbyi (Traill), (p. 299.) Southern S. America.
Falkland Is.
XX. PAGOPHILA, Kaup.
(Saunders, t. c. p. 301.)
1. ebúrnea (Phipps), (p. 301). Circumpolar Regions.
W. Europe &
E. N. America (winter).
XXI. EISSA, Stephens.
(Saunders, t. c. p. 305.)
1. rissa (Linn.), (p. 305.) Circumpolar, Arctic, &
[tridactyla (Linn.), Saunders, Cat. B. p. 305.] Sub-arctic Regions.
N.W. Europe & N.E.
America.
Caspian & Mediterranean
Seas (winter).
N. American coasts
(winter).
2. brevirostris (Bruch), (p. 312.) Is. of Bering Sea.
Family II. STEECOEARIID^!.
(Saunders, Cat. B. xxv. p. 314, 1896.)
I. MEGALESTRIS, Bp.
(Saunders, t. c. p. 314.)
1. catarrhactes (Linn.)., (p. 315.) N.W. Europe.
S. Greenland.
N.W. America.
N. Atlantic coasts
. (winter).