898 U. S. P. R. R. EXP. AND SURVEYS — ZOOLOGY GENERAL REPORT. 
neck and upper part of the breast bright chestnut red, sides of the same color, intermixed with dusky ; abdomen silky white; 
bill bluish black, yellow at the tip ; loral space bright carmine ; iris carmine, with an inner circle of white ; tarsi and feet dusky 
grey externally, dull yellow internally, and on both edges of the tarsus. 
Length about 14 inches ; wing, 5| ; bill, 1 : tarsi If. 
Young. The whole upper plumage greyish black, darkest on the head, feathers of the back with grey margins ; throat, sides 
of the head, a broad space on the sides of the neck, nearly meeting behind, breast and abdomen silvery white ; sides and lower 
part of abdomen dusky. 
Hub. — Generally distributed, specimens being in the collection from the Atlantic States, the interior ones and the Pacific 
coast. 
List of specimens. 
Catal. 
No. 
Washington, D. C. May, 1857 
9 Carlisle, Pa 
<Jew York . 
9934 
4592 
Grosse Isle, Midi. 
Red river of North. 
Nelson's river, H. 
H. B. T. 
Shoalwater bay, 
W. T. 
Sleilacoom, VV. T.. 
do 
PortTown6end,W. 
T. 
Siniiahmoo bay,W. 
T. 
Puget's Sound 
Oct., 1854 
Feb. 6,1856 
Oet. 10,1856 
Whence obtained. lOiig' 
Market 
do 
Cab. of G. N. Law- 
Rev. C. Fox 
N. V. University. 
Donald Gunn 
Gov. Stevena . 
Dr. Suckley 221) 
do 584 
Collected by — Lengtli 
R. Kennicott, 
Jno. Isbister. . 
5.50 
5.75 
Iris carmine; lull bluish above, 
flesh color below; feet black 
and greenish white. 
5.75 
5.50 
PODICEPS CALIFOBNICUS, Heermann. 
The California Grebe. 
Podicepa calif ornkus, Heerm. Proc. Acad. N. Sc. Phil., VII, 1854, 179. 
Sp. Ch — Winter Plumage. The entire upper plumage is blackish brown, nearly black on the head ; primaries brownish ash, 
some of the inner ones tipped with white; secondaries white, with their basal portions dark ash; under parts silky white, the 
neck in front light ash, and the sides and lower part of abdomen brownish ash ; under lining of the wings white ; bill dark 
brown, the base of the lower mandible yellowish, and its tip light horn color ; iris yellowish grey ; tarsi and feet externally dark 
green, on the inside yellow. 
Length 12 inches ; wing, 5 ; bill, 5 ; tarsus, 1 J. 
Hob. — California, head waters of Missouri river. 
Numerous specimens are in the collection, all in winter plumage ; in its spring dress it lias 
not yet been obtained. It resembles "P. cornutm" in its winter garb, but is smaller, and 
the bill somewhat differently shaped. 
Dr. Heermann speaks of it as being abundant in California on the inland fresh water ponds, 
and on the sea shore. 
