ISO GREAT BLACK-BACKED GULL. 



the head and halt' the neck black : the back and rump 

 pale grey : the greater quills white, the rive first with 

 black tips ; the secondaries dark grey : the tail white : 

 the legs dark reddish-brown. 



This very singular bird inhabits the borders of the 

 Caspian Sea : it. lays its eggs on the bare sand ; they 

 are of an oblong shape, marked with spots of brown 

 and a few paler tinges : it flies somewhat like a 

 Raven, and, like that bird, has a very hoarse cry. 



GREAT BLACK-HACKED GULL. 



(Larus niariims.) 



La. albus dorso nigra, pedibns albis. 



White Gull with the back black, the logs white. 



Larus mariuus. Linn. Syst. Nat. 1. 225. Gvwl. Syst. Nat. I. 



598. Lath. Lid. Orn. 2. 813. Brun. Orn. Boreal. 145. S,,- 



bine. Linn. Trans, xii. 5-13. 

 Larus niger. Briss. Orn. 6. 158. 



Larus niaxiinus ex albo et nigro varius. liaii Si/n. 127. A. 

 Lc Goelaud noir. Buf. Hist. Nat. Ois. 405. pi. 31. Buf. PL 



Enl. 990. 

 Gotland a manteau noir. Tc»i»i. wan. d'Orn. 490. LI. 2 Edit. 



ii. 7 GO. Cuv. Beg. Anim. 1. 51!). 

 Great Black and White Cull. Alb. Birds, 3. /;/. 9 -I. 

 Black-backed Gull. Pain. Brit. Zool. 2. 242. Venn. Ant. Zuol. 



2. 45 1 . Lath. Gen. Si/n. 6.371. Lcxv. Brit. Birds, G. /»/. 20$. 



JValc. Si/n . pi. 112. Bern. Brit . Birds, 2 . 2 1 2. Lin n . 1 'ra n y. 



v. viii. 267. Lath. Gen. Hist. x. 145. 

 Great Black-backed Gull. Mont. Om. Diet. 1. and App. 

 Younc;.— -Larus na'vius. Gmel. Si/st. Nat. I. 59ft 

 Larus mariuus y. Lath. hid. Orn. 2. 814. 



