910 U. S. p. R. E EXP. AND SURVEYS — ZOOLOGY — GENERAL REPORT. 



PTYCHORHAMPHUS, Braudt. 



Ptychorkamphus, Brandt, Bull. Acad. St. Petersburg, II, 1837. 



Cn. — Small. General furni short and heavy; head rather large. Bill short, straight, conical, pointed; under mandible with 

 one curved longitudinal groove from the base ; upper mandible with two or three grooves of the same description ; membrane 

 of the nostril large; angle of the gonjs very distinct. Wings moderate, pointed, first quill longest; tail very short ; legs 

 moderate, compressed, covered with very small circular and hexagonal scales. 



This genus embraces the present species only. 



PTYCHORHAMPHUS ALEUTICUS, (Pallas,) Brandt. 



Uria ttleidica, Pallas, Zoog. Rosso-Asiat. II, p. 370, (1811 ) ' 



Ptycho hamplnis aleutlcvst Brandt, 1837. 



Mergulus cassinii, Gamdel, Proc. Acad. Philad. II, 1845, 2GG. — 1b. J. A. N. S. 2d series, II, 1850 ; pi. vi. 



Sr. Ch — Small. General form short and heavy ; bill conical, pointed ; wing moderate ; tail short ; le»s and feet moderate ; 

 tarsi compressed. Bill brownish black, witli a conspicuous spot of yellow at the base of the under mandible. Head above and 

 entire upper parts dark fuliginous, nearly black on the back and top of tlie head, tinged with ashy on the rump. Throat and 

 sides of the neck hght ashy ; other under parts white ; a longitudinal stripe on the sides from the breast to the tibia dark asliy 

 brown; under tail coverts white ; feet dark. 



Total length about 8 inches ; wing, 4J ; tail, li inches 



Hab. — Western and northwestern coast of America; California, (Dr. Gambel.) 



This quite peculiar little bird is well figured in the Journal of the Philadelphia Academy, as 

 above cited, and is occasionally brought in collections from the western coasts of the United 

 States. It was first added to our fauna by the late Dr. William Gambel, as above, but is 

 undoubtedly the bird described by Pallas in Zoographia Rosso-Asiatica, 



List of specimens. 



OMBRIA, E s c h s c h o 1 1 z . 



? Phaleris, Temminck, Man. 1820. 



Ombria, Eschscholtz, Zool. Atlas, pt iv, p. 3, (1831.) 



Ch. — General form short and robust ; head moderate. Bill short, much compressed ; upper mandible with the culmcn 

 very distinct, and its cutting edge curved upwards ; under mandible much curved upwards ; nearly falcate in ils terminal half; 

 membrane of the nostril large, corneous ; a short longitudinal groove at base of tho under mandible. Wings moderate, pointed; 

 tail short ; legs short, strong ; tarsus flattened laterally, covered with minute circular and oval scales ; feet with three toes only, 

 fully webbed ; claws rather long. Contains one species only. 



OMBRIA PSITTACULA, (Pallas,) Eschscholtz. 



Jilca psillaeula, Pallas, Sjiic. Zool. pt. V, I7C9, 13. 



Phaleris psiltacula, Stei-hens, Xlll, i, 1826, 44. 



Ombria psiltacula, Eschscholtz, Zool. Atlas, IV, 1831, 3. 



FicuREi.— Eschscholtz, Zool. Atlas, pi. 17.— Pallas, Spic. Zool. pi. 2.— Zoog. Uosso-Asiat. pi. 84.— Lath. Gen. Hist. .X, 

 pi. 170, fig. 2. 



Sp. Ch. — A line of long hair-likc feathers from imder the eye, extending longitudinally on the side of tho nock, white. Head 

 and entire upper parU brownish black, slightly mixed with white on the throat ; breast mottled witii dark brown and white. 



