78 
THE ARCTIC JAGER. 
moderate length, excepting the two middle, which are extremely elongated 
and gradually attenuated, the rest broad and rounded, there being twelve 
in all. 
Bill greyish-black, the upper part bluish. Iris brown. Feet black, but 
with the greater part of the tarsus yellow. The neck and lower parts are 
white, the former tinged with yellow; upper and fore part of head with the 
space before the cheeks blackish-brown; the lower part of the hind neck and 
all the upper parts blackish-grey, the primary quills and tail-feathers 
brownish-black, the shafts of the former white. 
Length to end of tail 23 inches, to end of wings 15; extent of wings 45; 
wing from flexure 12 ; tail 12 ; bill along the back 1J, along the edge of 
lower mandible 13; tarsus l/^; middle toe 1 ^ ; its claw^|. 
Adult Female. 
The female resembles the male, but the middle tail-feathers are about 
three inches shorter. 
Genus II— DIOMEDEA, Linn. ALBATROSS. 
Bill rather longer than the head, nearly sti’aight, stout, much compressed; 
upper mandible with its dorsal line much declinate, and nearly straight for 
a third of its length, then concave, ascending to the unguis, on which it is 
arched and decurved in the third of a circle, the ridge broad, convex, rounded 
at the base, separated in its whole length by a groove, margined below 
beyond the nostrils by a prominent line, from the sides, which are erect and 
slightly convex, the edges sharp, the unguis decurved, much compressed, 
with its sides flattened, and the tip acute ; nostrils sub-basal, prominent, 
tabular, having a horny sheath; lower mandible with the angle very narrow, 
reaching to the tip, and having at its extremity a long slender interposed 
horny process; the outline of the crura gently ascending, and quite straight, 
until near the end, when it is a little decurved, the sides ascending, nearly 
erect, a little convex, the edges sharp, the tip extremely compressed, its 
