10 Mr. Markwick'j Catalogue of Birds 



** with fhort legs. 



Genus XL V. Auk. 



136 Puffin. Alca aretica. 



137 Razor-bill. Alca Torda. 



138 Black-billed Auk. Alca Pica. 



Genus XL VI. Diver* 



139 Guillemot. Colymbus Troilie. 



140 Speckled Diver. Colymbus Jlellaius* 



Genus XLVII. Tern. 



141 * Greater Tern. Sterna Hirundo. 



142 * Letter Tern. Sterna m'muta. 



143 * Black Tern. Sterna fffipes. 



Genus XLVIII. GulL 



144 Black and white Gull, harm marinus* 



145 Wagel. Larus navtus. 



146 Common Gull. Lams canus. 

 H7 Black-headed QnJ]^ 2 



148 ** Winter Mew. Larus 



149 Skua. Larus cataraSles, 



I am much miftaken if I have not feen this gull on our 

 coait. D 



150 ParrockGull. Larus tridatlylus. 



I had one of thcfe in my poffeffion : it was caught alive 

 m a hard frofl near my houfe, and I have fmce k eP 

 it on the fea-fhore. 



Genus XLIX. Merganfer. 

 151*** Dun Diver.' Mergus Cajor. 



I 52 HI l ed ~ hT€ f, ed Goofander ' Mrg m Serrator. 

 153 *** Minute Merganfer. Mergus mhmtus 

 1 



154 Smew* 



