BRACHYRAMPHUS. 15 
2.14 x 1.42, ovate, ground-color buffy, speckled or otherwise marked 
with various shades of brown. Hab. Pacific coast of North America, 
from southern California to western Alaska. 
23. B. marmoratus (GMEL.). Marbled Murrelet. 
é, Culmen .75. Summer adult: Similar to corresponding stage of B. mar- 
moratus, but markings of upper parts buffy and dull whitish, instead 
of deep rusty. Wing 5.50, culmen .75, tarsus .70, middle toe .95. 
Hab. Coasts of northeastern Asia, from Japan to Kamtschatka. 
B. perdix (Pat.). Partridge Murrelet.! 
&, Exposed culmen not more than two-thirds as long as inner toe without claw ; 
secondaries broadly tipped with white, and outer tail-feathers partly or 
wholly white. , 
c. Tarsus .60 or more. Summer adult: Above plumbeous, thickly marked 
with irregular, mostly longitudinal, spots of buff; lower parts chiefly 
white, the chest and sides washed with buff and irregularly spotted 
and barred with dusky ; belly more faintly marked with more regular 
crescentic bars. Winter plumage: Above glossy plumbeous, the back 
and rump very narrowly and indistinctly barred with white ; scapu- 
lars chiefly white; sides of head (including lores and superciliary 
region), a narrow collar round hind-neck, and entire lower parts, 
pure white, the sides of the breast crossed by a broad band of slate- 
gray, narrowing toward the middle of the chest. Wing 5.10-5.80, 
culmen .35-.45, depth of bill at base .20-.22, tarsus .60-.65, middle toe 
.85-.95. Hab. Unalashka, through Aleutian chain to Kamtschatka 
and northern Japan. 
24. B. kittlitzii Branpr. Kittlitz’s Murrelet. 
e@. Tarsus .50. Wing 5.25, culmen .50, tarsus .50. Summer plumage: Above 
grayish brown, head and neck spotted with white; beneath white, 
waved and spotted with brown. Hab. San Blas, western Mexico. 
B. brevirostris (Via.). Short-billed Murrelet.? 
a, Tarsus as long as or longer than middle toe without claw. 
b. Lining of wing white; above plain dark slaty, beneath entirely pure white ; 
length 9.60-10.50, wing 4.50-5.25, culmen .70-.80, tarsus .90-.95, middle 
toe .85. Hab. Southern California to Cape St. Lucas. 
25. B. hypoleucus Xantus. Xantus’s Murrelet. 
b, Lining of wing smoky gray, or slaty; in plumage otherwise like B. hypo- 
leucus; length about 10.25, wing 4.60, culmen .78-.80, tarsus .88-.90, 
middle toe .80-.88. Egg 2.03 x 1.40, ovate, ground-color buffy, isabella- 
color, or fawn-color, thickly sprinkled, speckled, or otherwise marked 
with dark brown. Hab. Lower California (vicinity of Cape St. Lucas). 
26. B. craveri (Satvap.). Craveri’s Murrelet. 
1 Cepphus perdiz Pauuas, Zoog. Rosso-As. ii. 1826, 351, pl. 80. Brachyramphus perdix Sresn. Zeitschr. 
Ges. Orn. iii. 1886, 213, p. 7.  otise 
2 Urta brevirostris Via., Zool. Jour. iv. 1828, 357. Possibly the same as B. hittlitzit BRANDT. 
