52 NORTH AMERICAN BIRDS. 
culmén 4.50-4.60, tarsus 3.05-3.38, middle toe 3.90-4.32. Hab. 
Southern seas, especially South Pacific, casual off coast of Cali- 
fornia....... —.D.melanophrys Bors. Spectacled Albatross.’ 
d?, Under wing-coverts uniform dark slaty or grayish brown. Similar 
in plumage to D. melanophrys, except under wing-coverts, which 
are uniform dusky instead of partly white ; bill olive-brownish, 
the nails dusky; wing 20.00, tail 9.00, culmen 5.00, depth of 
bill at base 1.75, tarsus 3.00, middle toe (with claw) 4.75. Hab. 
(Unknown.) 
D. gilliana Couzs, Gill’s Albatross.? 
@. Lower parts partly grayish brown ; upper parts varied with dusky and 
white. 
Adult (?): Head and neck white, washed with yellow; belly 
grayish brown, freckled with white; upper back and rump 
transversely varied with dusky and white. Hab. Pacific coast 
of South America (Callao Bay, Peru). 
D. irrorata Satvyin. Speckled Albatross.§ 
Gents THALASSOGERON Riveway. (Page 50, pl. XIV., fig. 1.) 
Species. 
Common CHaracters.—Adult: Upper parts chiefly uniform dark brownish 
slate, more plumbeous on back, especially anteriorly ; ramp and upper tail-coverts 
white; tail grayish, the feathers with yellowish white shafts; lower parts white; 
head and neck sometimes white shaded with plumbeous on top of former and 
hinder part of latter, sometimes entirely light ash-gray, always with a darker space 
immediately in front of and behind eye, with a white spot on lower eyelid. 
a, Culmen 4.50 or less; wing 21.00, or less; bill blackish, with yellowish culmen. 
b'. Culmen continuing broad and flat to the extreme base, which is broad and 
slightly rounded ; tarsus more than 3.00; lower mandible with a yellow- 
ish stripe along lower edge, from base nearly to the nail; culmen pale 
yellowish or greenish; length about 35.00-37.00, wing 17.75-21.00, tail 
8.00-9.00, culmen 4.35-4,50, depth of bill at base 1.70-1.75, tarsus 3.25, 
middle toe (without claw) 4.30-4.35. Hgg 4.18 x 2.63. Hab. Southern 
oceans (except South Atlantic ?), north, casually, to coast of Oregon. 
83. T. culminatus (GovLp). Yellow-nosed Albatross. 
b%. Culmen much compressed, narrowing to an acute angle at extreme base; 
tarsus less than 3.00; lower mandible without yellow along lower edge, 
1 Diomedea melanophrys “Borr,” Tema. Pl. Col. No. 456 (1838). Gounp, B. Austr. pl. 43, B. B. & R. 
Water B. N. Am, ii. 1884, 357. 
2 Diomedea gilliana Couzs, Proc. Ac. Nat. Sci. Phil. May, 1866, 181. Type in mus. Philadelphia Academy 
Natural Sciences. (Possibly young of D. melanophrys.) 
8 Diomedea irrorata SALVIN, P. Z, S. 1883, 430. 
