366 ; BIRDS. 
as large, and only differs from it in the mantle, which is a light ash- 
colour. Its young also are spotted*. The 
Mavves or Movettes 
Are the smallest species. 
Lar. fuscus, L.; Lar. flavipes, Meyer, Frisch, 218; Naum. 
Kd. I, f. 51, B. (The Silver Gull). Is all white, the mantle ex- 
cepted, which is black; the feet are yellow. 
Lar. eburneus, Gm.; Mouette blanche, Enl. 994. (The Ivory 
Gull). All white, with black feet. From Spitzbergen and Green- 
land: sometimes wanders into Europe. 
Lar. cyanorhynchus, Meyer; Mouette a pieds bleus, Enl. 977, 
Briss. VI, xvi, 2. (The Common Gull). When old, of a beauti- 
ful white, with a light ash-coloured mantle; the primary quills of 
the wing partly black, with white spots at the tips, the feet and bill 
lead coloured. Feeds chiefly on shell-fish. 
Lar. ridibundus, L.; L. hybernus, and L. erythropus, Gm.; La 
Mouette a pieds rouges, Enl. 969 and 970; Briss. VI, xvii, 1. Is 
very similar to the preceding, except that when young the tip of the 
tail is black, and that there are some black and brown on the wing: 
in spring the head of the adult becomes brown, and remains so dur- 
ing the summer—Enl. 970; the feet and bill are more or less red. 
It has been called, from its note, the Laughing Gull}. 
Lar. tridactylus, and Lar. rissa, Gm.; La M. & trois doigts, 
Briss. VI, xvi, 1, and xvii, 2, is also very similar to the preceding 
species, but may be distinguished by its very short and imperfect 
thumb. When young it is more or less spotted with black or brown, 
Enl. 387. 
The GorLanps and Movettes.—The Strercoraires, Briss.— 
Lestris {, Jllig.—Laszes, Buff. 
They have the membranous nostrils larger than those of the latter, 
open nearer to the point and edge of the bill; their tail is pointed. They 
pursue the small Gulls with singular ferocity to rob them of their food, 
and, as it is said, to devour their excrement. Hence their name. 
Lar. parasiticus, Gm.; Labbe a longue queue, Enl. 762; Edw. 
148. (The Arctic Gull). A deep brown above, white beneath: 
* M. Temminck distinguishes the Lar. argentatus, Lath. Enl. 253.—Add, the 
Goeéland leucomele, Vieill. 61, and the Goél. a téte noire du Bengale (a). 
+ Add, Lar. atricilla, Pall. Nov. Com. Petr. XV, xxii, 2; Catesb. I, 89; Wils. IX, 
Ixxiv, 4, by the name of ridibundus ;—Lar. leucopterus ;—L. cirrhocephalus, Vieill. 
Gal. 289, or poliocephalus, Licht.;—JZ. leucopthalmus, Licht. Col. 366;—L. Sabini, 
Leach. ;—ZL. minutus, Falk. Voy. III, xxiv;—Z. melanurus, T. Col. 459, and Tiles, 
Voy. de Krusenst. pl. lvii. 
{ Lestris, thief, the name of these birds among the Swedish fishermen. Vieillot 
has changed these names to STERCOREUS. 
Kes” (a) Add, L. capistratus, Temm.;—L. canus, L., Enl. 977;—L. argentatus, 
Brunn., Enl. 253;—Z. argentatoides, Brehm.—Ene. Ep, 
