46 LART'R AFFINIS. 



greenish. In winter the head and neck are striped Avith dusky. Youn.,'. head and neck, ■wiutisu, stnpmt 

 with grayish. Above, ashy brown, with the feathers margined with wliite. Beneath, white, mottled and 

 spotted with brown. Tail on terminal hall', dusky, tipped with white ; basal half, white. 



OBSERVATIONS. 



Known from its nearest ally, the Ring-billed Gull, by the absence of the dark band on bill and darker 

 back. In the younger stage by the white — not gray nor bluish— liasal portions of the tail. Occurs m the 

 Northern portions of the Eastern Ileiuisphere; accidental iu Labrador. 



DIMENSIONS. 

 Length, ]7-(H> to IS-dO: stretch, 4S ()() to -tDMIO: wing, It'OO t) I.VmO; tail, •><«! to .V(;();bin, !■;:() to 

 l-r)0; tarsus, IIK) to 2-_V.. 



DESCRIPTION OF NESTS AND EGGS. 

 Nests, placedon the ground or on cliffs, composed ■ f sticks, etc. Eggs, three or four in number, ov.al 

 iu form, varying from pale to dark greenish in color, spottcl and blotched with brown. Dimensions, from 

 l-5ox2-2r> to 1-C)0x2-;J(). 



HABITS. 



According to authors, tlic Mew Gull does not .liilcr cssentiall.y iu habit from the 

 Ring-bill. Its only claiui to a place hi our fauna is one (perhaps (luestionable ) instance 

 of its occurrence in Labrador. 



LARUS AFFINIS. 

 Siberian Gull. 

 Larus AFFINIS Reinhart, Vidensk. Meddel., lS5o, p. 78. 

 DESCRirTION. 

 Sp. Ch. Size, rather large. Form, robust, similar to that of the Herring Gull, but the bill is large 



and stout. 



Color. Adult. Mantle, deep plumbeous, darker even than in L. marinus. Remainder of plumage, 

 white. There is a distinct gray wedge on the inner web of the second primary, and all of tlic quills have a 

 sub-terminal band of black. 



OBSERVATIONS. 



Known from our dark-backed Gulls by the presence of the gray wedge on the inner web of the second 

 primary. Habitat, Northern Asia ; accidental in Greenland. ' 



DIMENSIONS. 

 Length, 20-00 to 21-00; wing, Ifi-.W, to 17-01); tail, .VOOto .")-."iO; bill, 2-00 to 2-l."i; tarsus, 2-00 to 2-72. 



HABITS. 

 Although the ty\)(i of this species was taken in Greeidand no other specimen has 

 since been recorded from this side of tlie Atlantic. 



LARUS KUMLIENI. 

 Kumlien's Gull. 



Lards kumijeni ]?rkwster, Bull. Nut. Orn.. Club. 188:^ 

 DESCRIPTION. 

 Sp. Cii. Size, medium, about that of the White-winged Gull, which it also rcsemliles in form. 

 Color. Adult. Back and upper part of wings, pale pearl gray. Primaries — excepting 2d quill 

 which is ])earl gray with a clearly defined sub-terminal band, also gray — and remainder of plumage, white. 

 Iris, white. Bill, greenish yellow. Feet, pinkish. 



