EOSS’S GULL. 
59 
The wings reach an inch beyond the end of the tail; 
underneath they are grey; the fifth quill feather is the longest; 
greater and lesser wing coverts, grey; the primaries have the 
outer web of the first blackish brown or dark grey to its .tip, 
which is grey, the shaft bluish grey, the others white; greater 
and lesser under wing coverts, grey. The tail, which is wedge- 
shaped, has the outer web of the first feather blackish; the 
remainder rose-colour; the two middle feathers are the longest, 
the others graduated; upper tail coverts, delicate rose-colour. 
Legs and toes, vermilion red; claws, blackish or black; webs, 
vermilion red. 
