FULMARUS. 57 
Genus OSSIFRAGA Hompron & Jacquinor. (Page 53, pl. XV., fig. 1.) 
Species. 
Light phase: Head, neck, and lower parts white; upper parts dusky, the 
feathers (especially scapulars) sometimes tipped with paler; bill light yellowish. 
(Sometimes entirely white, relieved only by scattered brown feathers.) Dark 
phase: Uniform dark sooty brown, sometimes with whitish feathers round base 
of bill; bill olive-yellowish or grayish white; length, about 30.00-36.00, extent 
72.00-84.00, wing 17.00-21.00, culmen 3.50-4.00. Hab. Southern seas, north on 
Pacific coast of America (casually) to coast of Oregon. 
85. O. gigantea (GmEL.). Giant Fulmar. 
Genus FULMARUS Leacu. (Page 54, pl. XVI, figs. 1, 2.) 
Species. 
a}, Bill short and stout, its greatest depth very nearly half the total length (meas- 
ured from frontal feathers) ; nasal tubes separated from the unguis by a very 
narrow space, measuring much less than half as much in length as the former; 
(4.)  tail-feathers 14. (Subgenus Fulmarus.) 
bo}. Nasal tubes digtinctly dusky, the whole bill sometimes olive-brownish. 
c. Light phase: Head, neck, and lower parts white; upper parts bluish 
gray, the quills darker. Dark phase:. Entirely smoky gray. Length 
18.00-20.00, wing 12.50-13.75 (13.04), culmen 1.45-1.58 (1.50), depth 
of bill at base .65-.80 (.75). Hgg 2.85 < 2.01. Hab. North Atlantic. 
86. F. glacialis (Linn.). Fulmar. 
¢. Similar in color to F. glacialis, but much smaller; wing 11.80-12.00 
(11.90), culmen 1.30-1.38 (1.33), depth of bill at base .60-.70 (.63). 
Hab. North Atlantic, south on American side to coast of New 
Engiland....... 86a. F. glacialis minor (Ksarrs.). Lesser Fulmar. 
b. Nasal tubes light-colored ; bill never dark-colored. 
ce. Light phase: In plumage not with certainty distinguishable from the 
corresponding phase of F. glacialis. Dark phase: Much darker than 
the corresponding phase of F. glacialis, the color being a uniform 
deep sooty plumbeous in living and freshly-killed birds, changing 
to deep sooty brownish in very oldskins. Length 17.00-19.00, wing 
11.90-12.35 (12.06), culmen 1.35-1.65 (1.48), depth of bill at base 
65-.70 (.68). Egg 2.82 X 1.95. Hab. North Pacific, south along 
American coast to western Mexico. 
86). F. glacialis glupischa Sresy. Pacific Fulmar. 
c. Light phase: Similar to corresponding phase of the preceding, but the 
bluish gray of the upper parts broken by a more or less extensive 
admixture of white. Wo dark phase known. Wing 12.10-12.90 
(12.46), culmen 1.40-1.60 (1.49), depth of bill at base .65-.75 (.72). 
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