FISHERIES OF THE UNITED STATES. [38] 
724. Cymochoreamelznma (Bp.). BLACKPETREL. [643.] South 
Pacific, north to Lower California. 
725. Cymochorea homochroa Coues. ASHY PETREL. Far- 
allone Islands, coast of California. 
726. Oceanodroma furcata (Gmel.). FORK-TAILED PETREL. 
[640.] North Pacific, south to coast of Oregon. 
(See Group J of mounted birds.) 
727. Oceanodroma hornbyi (Gray). Hornpy’s PETREL. 
[641.] North Pacific (“ Russian America”). 
728. Fregetta grallaria (Vieill.). WHITE-BELLIED PETREL. 
[646.| Tropical seas, mostly in southern hemisphere ; 
accidental off coast of Florida. 
Order PYGOPODES.—The Divers. 
Family PODICIPEDIDA.—The Greses. 
729. Hchmophorus occidentalis (Lawr.). WESTERN GREBE. 
[704.] Western North America, but chiefly the in- 
terior; north in summer to Manitoba, south in winter 
to Mexico. 
a. No. 74470. g ad. Stockton, California, June 3, 1878; L. Belding. 
(See also Group K of mounted birds. ) 
730. 4chmophorus occidentalis clarki (Lawr.). CLARK’s 
GREBE. [705.|] Pacific coast of North America, 
south in winter to Mexico. 
a. No. 41243. Ad. San Pedro, California, November, 1865; Dr. E. 
Coues, U.S. A. 
731. Podicipes holboelli Reinh. AMERICAN RED-NECKED 
GREBE. (702,703 a.] North America, including 
Greenland; in winter, throughout United States; 
Eastern Siberia. 
a. No. 81281. Juv. Saint Michiel’s, Alaska; E. W. Nelson. 
732. Dytes auritus (Linn.), HoRNED GREBE. [706.] Northern 
hemisphere, breeding in colder regions. 
(See Group K of mounted birds.) 
[733.] Dytes migricollis (Sund.). EARED GREBE. [708.] \Pa- 
learctic region, including Southern Greenland. 
733a. Dytes nigricollis califormicus (Heerm.). AMERICAN 
EARED GREBE. [707.] Western North America, 
east (casually ?) to Mississippi Valley. 
(See Group K of mounted birds.) 
