4 0 BKUNNICH S GUILLEMOT.
however for the purpose of scientific discrimination. 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, dul
black, descending on the sides; throat and breast, white; back, dull
black.
Greater and lesser wing coverts, dull black, their outer edges grey;
p r i m a r i e s , dull black; secondaries, dull black, their tips white, formins
a bar across the wing; tertiaries, dull black. Tail, dull black. Legs
a n d toes, bright coral r e d ; webs, bright coral red.
The female resembles the male in plumage.
The figure on the plate is from a drawing b y J o h n Gatcombe, Es(j..
of Plymouth.