594 izcM. 



length about 9'5 inches, culmen from fei^thers on forehead to 

 tip 0*4, from gape to tip TOS, greatest depth of both mandibles at 

 base 0-2-0-21, wing 5-5-7, tail 1-35-1-4, tarsus 0-65, middle toe 

 and claw 1-1 "1. 



Adult in non-hreeding plumacie. Easilj' distinguished from the 

 adult of B. marmoratus in non-breeding pkimage, for, besides the 

 remarkably short bill, the lores and sides of the head above the eye 

 are white ; the crown, back, and upper parts uniform grey, and the 

 outer tail-feathers white. 



Hah. Coasts of the North Pacific and Berins Sea : from Japan, 

 the Sea of Ochotsk, and Kamschatka to the Aleutian Islands. 



a. Ad. sk. Kamscbatka, winter (Z. Tac- Seebohm Coll. 



zmioicski). 

 6, c. djad.sk. Kamscbatka, summer (0. Seebohm Coll. 



Snoic). 

 d. Ad. sk. [San Bias, Mexico] Au? 9. Sir E. Belcher [P.]. 



[Type of B. brevirostris (Vigors).] 



6. MICRURIA. 



Bill elongate and moderately compressed; culmen gradualh' curved 

 downward towards to the tip. Inter-ramal feathering extending 

 to a vertical line drawn from the anterior border of the exposed 

 nasal opening, which is oval and covered anteriorly by a horny scale. 

 Tail composed of 12 feathers. Metatarsus about equal to the 

 middle toe and claw. Size small. 



Range. Coast of California. 



Key to the Species. 



A. Lining of wings pure white hypoleuca, p. 594. 



B. Lining of wings mostly smoky-grey craveri, p. o95. 



1. Micruria hypoleuca. 



Brachyrhamphus hvpoleucus, Xantus, P. Ac. Philad. 1859, pp. 299, 

 SOe^Cape St. Lucas] ; Coues, P. Ac. Philad. 1868, p. 64 ; FJliot, 

 B. N. Amer. ii. pi. Ixxii. (1869) ; Cones, Key K. Am. B. 2nd ed. 

 p. 813 (1884) ; Goss, Auk, i. p. .396 (1884^ [S. California]. 



Brachvramphus hvpoleucus, Baird, Brew. iSJ- Ridqiv. Water-B. N. 

 Amer. ii. p. 502 (1884); A. O. U. Check-l. p. 81 (1886) ; Ridqw. 

 Man. N. Ajn. B. p. 15 (1887) ; Mailliard, Auk, xv. p. 197 (1898) 

 [Monterey]. 



Adult in hreediny-pli(mage. General colour above, including the 

 sides and flanks, uniform dark blackish-slate ; chin, sides of the 

 head below the line of the gape, a small patch of feathers above 

 and below the eye, and the rest of the underparts, including the 

 under iving-coverts, white ; quills brownish-black, shading into 

 white on the basal part of the inner web ; tail blackish, and com- 

 posed of 12 feathers. Total length about 8-5 inches, culmen 

 from feathers on forehead to tip 0-75, from gape to tip 1-] 5-1-25, 



