150 BRUNNICH’S GUILLEMOT. 
character, sufficient however for the purpose of scientific dis- 
crimination. Iris, small and dark, the line behind it only 
extends backwards for an inch. Head, crown, neck on the 
back and nape, dull black, the very close texture of the 
feathers giving a peculiar tint to these birds. Chin, dull 
black, descending on the sides; throat and breast, white; 
back, dull black. 
Greater and lesser wing coverts, dull black, their outer 
edges grey; primaries, dull black; secondaries, dull black, 
their tips white, forming a bar across the wing; tertiaries, 
dull black. Tail, dull black. Legs and toes, bright coral 
red; webs, bright coral red. 
The female resembles the male in plumage. 
The figure on the plate is from a drawing by Jonn 
Gatcombe, Esq., of Plymouth. 
