178 BLACK TOED GULL. Class 1L 



3. Black Larus crepidatus. L. luteo fus- L'Abbe ou Stercoraire. JBm- 



TOED. coque varius subtus palli- soti av. vi. 152. tab. 13. y. 



dior, macula alarum alba. 2. Hist, d'ois. vi'ii. 441. PL 



Lath. Lid. orn. SIQ. id. Enl.QQl. 



Syn. vi. 387- id. Sup. i. The Cepphus. Phil. Transact. 



268. Vol. Hi. 135. 



Cepphus. Aldr. av.'ni. 3Q. Catharacta Cepphus, Strand- 



Wil. orn. 351. hoeg. Brunnich, ornith. 126. 



Raii Syn. av. 12Q. Arct. ZooL ii. 246. 



Descrip- X HIS species weighs eleven ounces : its length 



TION. ... .° . . J' 



IS fifteen inches ; its breadth thirty-mne. The 

 bill is one inch and a half long, the upper part 

 covered with a brown cere; the nostrils like 

 those of the preceding species, the end black and 

 crooked. The feathers of the forehead come 

 rather low on the bill ; the head and neck are 

 of a dirty white; the hind part of the latter 

 plain, the rest marked with oblong dusky spots. 

 The breast and belly are white, crossed with 

 numerous dusky and yellowish lines ; the fea- 

 thers on the sides and the vent, are barred 

 transversely with black and white; the back, 

 scapulars, coverts of the wings and tail, are 

 black, beautifully edged with white or pale rust 

 color ; the shafts and tips of the quil feathers 

 are white ; the exterior web, and upper half of 

 the interior web black, but the lower part of the 



