Identifier: reportsofexplora122unit (find matches)
Title: Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean
Year: 1860 (1860s)
Authors: United States. War Dept United States. Army. Corps of Engineers Henry, Joseph, 1797-1878 Baird, Spencer Fullerton, 1823-1887
Subjects: Pacific railroads Natural history Indians of North America
Publisher: Washington, A.O.P. Nicholson, Printer (etc.)
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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ner ; lower parts silvery white, sides brown; uppermandible brownish black, pale at the end and yellow on the sides at the base ; lower mandible yellow, with the sides dusky;feet black, greenish yellow on inner side ; iris brown. ^^jj Atlantic States from Nova Scotia southward ; Texas in winter; fur countries, Pacific side of the continent; Wash-ington Territory. In the notes on P. occidentalis I have noticed all I remarked of this species. On the onlyoccasion when I saw them they were with the others, which they so closely resembled inappearance that at a distance they were scarcely distinguishable. I could see also no differencein their cries or habits at that season, and never saw them at any other time or place. Al-thouo-h killed late in March, both species were in the immature plumage, as were the manyspecimens of the three species I obtained in the Territory at almost all seasons, except summer,when they all disappear.—C. : S P K R Exp- a Surveys i^T-^ PaxaJlel Biids Plate nXM
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ZOOLOGY. 281 PODICEPS OCCIDENTALIS, Lawrence. Tlie Western Grebe. Podicepsoccidentalis, (Lawrence,) Baird & Lawrence, Gen. Rep. Birds,p. 894. Sp. Ch—Winter: Upper part of the head and nape fuliginous black; back and wing coverts grayish black, the feathersmargined with gray ; primaries light ashy brown, darker at the end and white at base ; secondaries white, marked with ash onthe outer webs; in some specimens the middle secondaries are pure white ; space between the bill and the eye gray ; throat, sidesof the neck, and entire under plumage silvery white ; sides marked with grayish black ; bill dusky, appearing nearly black in thedried specimens, except on the cutting edges and at the end, where it is yellow ; iris orange red ; tarsi and feet blackish oliveexternally, and internally greenish yellow. Length, 24 to 28 inches; extent, 34.50 to 36; wing, from 7.50 to 8.50; bill, 3;tarsus, 3. Female smallest. A large individual in Dr. Suckleys collection had the tarsus 3.50 inches ;

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