580 



Specimens from Bering Sea are on an average slightly smaller 

 than those from the North Atlantic. 



Uah. Arctic Ocean, coasts of the Xorth Atlantic and Bering Sea, 

 visiting Norway in winter and more rarely the British Isles. 



a-c. (S 2 ad. sk. 



d, e. Pull. sk. 



/, g. Ad. sk. 

 h~k. S ad. sk. et 



.St. 



/. $ ad. sk. 

 m. S fid. sk. 

 71. Ad. sk. 

 o. Ad. sk. 

 p. Ad. sk, 

 q. Ad. sk. 

 r. 5 imm. sk. 



s. Ad. sk. 



t, u. Ad. et imm. 

 sk. 



V. S juv. sk. (al- 

 bino var.). 



w. Ad. sk. 



X, y. Ad. sk. 



«. Ad. sk. 



a', h' . cJ ad. sk. 



c'. Juv. sk. 



d'. Skeleton. 

 e'-g'. Skulls. 



Hakodadi, Japan, Feb.- 

 April (Blakiston 4' 

 Henson). 



Robben Island, Sea of 

 Ochotsk, July 11. 



Kurile Is., summer (0. 



Snow). 

 Copper I., Commander 



Group, Aug. 



Unalasbka, May 27 {E. 



W. Nelson). 

 Stewart I., Alaska, June 



{E. n'. JV.). 

 N.W. America. 



Port Leopold, Arctic Ame- 

 rica (I)r. Bohertson). 



Whalefish Island, Arctic 

 America ( Z'r. i2o6erfoo«) . 



Grand Mananl., New Bruns- 

 wick, Feb. {H. Herrick). 



Ipswich, Massachusetts 

 {E. Greenwood). 



Greenland. 



Greenland. 



Frederickshaab, Greenland, 



Jan. 7 (P. Miiller). 

 Iceland, summer. 

 Lat.71°50'N.,long.4°W., 



summer. 

 Spitsbergen, summer. 

 Advent Bay, Spitsbergen, 



June. 

 Cape Grant, Franz Josef 



Land, Aug. 4 {F. G. 



Jackson). 

 Spitsbergen, Aug. 11. 



Spitsbergen. 



3, Uria grylle. 



Seebohm Coll. 



G. E. H. Barrett- 

 Hamilton, Esq. 



[P.]. 

 Seebohm Coll. 



G. E. H. Barrett- 

 Hamilton, Esq. 



[P.]. 

 Salvin-Godman Coll. 



Salvin-Godman Coll. 



Capt. Kellett &Lieut. 



Wood, R.N. [P.]. 

 The Admiralty [P.]. 



The Admiralty [P.]. 



Salvin-Godman Coll. 



Salvin-Godman Coll. 



The Admiralty [P.]. 

 Hume Coll. 



Col. H. W. Feilden 



[P.]. 

 Seebohm Coll. 

 Capt. D. Gray [P.]. 



The Admiralty [P.]. 



A . Trevor - Battye, 

 Esq. [P.] 



Jackson - Harms- 

 worth Expedition 

 [P.]. 



Col. H. W. FeUden 

 [P.]. 



A. Trevor - Battye, 

 Esq. [P.]. 



Spotted Greenland Dove, Edwards, N. Hist. B. i. pi. 50 (1743) ; 



Pennant, Brit. Zool. ii. pi. ixxxiii. fig. 2 (1776). 

 Le petit Guillemot noir, Brisson, Orn. vi. p. 76 (1760). 

 Le petit Guillemot ray^, Brisson, Orn. vi. p. 78 (1760). 

 Uria grylloides, Brilnn. Orn. Bor. p. 28 (1764). 

 Uria balthiea, Briinn. Orn. Bur. p. 28 (1764). 



