THE PARASITIC JAEGER. 545 



No. 258. 



PARASITIC JAEGER. 



A. U. L*. Xo. 37. Stercorarius parasiticus (Linn.). 



Synonym. RICHARDSON'S JAEGER. 



Description. Quite similar to preceding species in general appearance of 

 plumage and in color phases; smaller; the central pair of tail-feathers elongated 

 about three inches beyond others and tapering; light phase not so dark as in S. 

 pomarinus, fuscous rather than dusky, throughout, except top of head and lores, 

 which are blackish. Length 15.00-21.00 (381. -533.4), av. 17. (431.8); wing 

 JS-OQ (330.2); tail 7.50 (190.5); bill 1.20 (30.5); tarsus 1.80 (457)- 



Recognition Marks. Crow size, but appearing larger; marks much as in 

 preceding species, but central pair of tail-feathers sharply pointed, produced about 

 three inches beyond others (not nearly so long as in the Long-tailed Jaeger, 

 S. longicaudus} . 



Nesting. Does not breed in Ohio. Nest, on the ground. Eggs, 2 or 3, 

 "olive-drab to green-gray and brown, marked with several shades of chocolate 

 brown, and an obscure stone-gray, distributed over the entire egg." Av. size, 

 2.30 x 1.65 (58.4 x 41.9). 



General Range. Northern part of northern hemisphere, southward in win- 

 ter to South Africa and South America. Breeds in high northern districts, and 

 winters from New York and California southward to Brazil. 



Range in Ohio. Rare on Lake Erie in late autumn. Several records. 



LYNDS JONES in his Catalog of the Birds of Ohio, records six in- 

 stances, with a possible seventh, of the capture of this bird within the state, 

 all since the publication of Wheaton's list of 1880. Of these six specimens, 

 four were taken at Sandusky, one near Lorain, and one "at the close of a 

 week of very stormy weather," near Lebanon. 



In habit the Parasitic Jaeger does not differ materially from the pre- 

 ceding species, but recent records would go to show that it is rather more 

 likely to occur inland. 



No. 259. 



KITTIWAKE. 



A. O. U. No. 40. Rissa tridactyla (Linn.). 



Synonym. KITTIWAKE GULL. 



Description. Adult in summer: General plumage pure white, the mantle 1 

 deep pearl-gray ; five outer primaries with terminal portion black, the breadth of 

 black area on first primary about three inches, decreasing to .85 in the fifth; the 



1 A term used to designate the plumage of the back, scapulars, and wings collectively, and which is 

 often differently colored from that of the remaining parts in birds of this family. 



