948 
U. 8S. P. R. R. EXP. AND SURVEYS—ZOOLOGY—GENERAL REPORT. 
Puiiaperrura—Continued— 
Cassin.—Descriptions of birds of the genera Laniarius, Dicrurus, Graucalus, Manacus, and Picus, specimens of 
which are in the collection of the Academy of Natural Sciences of Philadelphia. By Joun Cassin. V, December, 
1852, 347. 
Cassin.—Descriptions of new species of Iirundinidae and Psittacidae, specimens of which are in the collection 
of the Academy of Natural Sciences of Philadelphia. By Joun Cassiy. V, June, 1853, 369. 
Cassin.—Synopsis of the species of Falconidae which inhabit America north of Mexico, with descriptions of new 
species. By Joun Cassin. VI, Dec., 1853, 451. 
Cassty.—Remarks on birds from the arctic regions, presented by Dr. Kang. VI, June 1852, 107. 
Cassin.—Description of new species of birds, specimens of which are in the collection of the Academy of Natural 
Sciences of Philadelphia. By Joun Cassin. VI, Oct., 1852, 184. 
Cassin.—Remarks on the appearance of Loxia leucoptera, in great numbers in the vicinity of Philadelphia. VIII, 
Dec., 1854, 203. 
Cassin.—Remarks on Crex pratensis, a specimen of which was obtained from Salem, New Jersey. VII, Jan., 
1855, 265. 
Casstn.—List of pigeons of the genus Carpophaga, in the collections of the Academy of Natural Sciences of 
Philadelphia, and of the United States Exploring Expedition, Washington ; with descriptions and notices of new 
and little known species. By Joun Cassin. VII, Dec., 1854, 227. 
Cassiy.—Notes on North American Falconidae, with descriptions of new species, (Buleo calurus, elegans and 
oxypterus:) By Joun Cassty. VII, Feb., 1855, 277. 
Casstn.—Reference to several species of geese and other birds from the Falkland Islands, alluded to in a letter 
of Capt. Burnsee. By Jomn Cassin. VII, April, 1855, 289. 
Cassry.—Descriptions of new species of birds from Western Africa, in the collection of the Academy of Natural 
Sciences, Philadelphia. By Joun Cassin. VII, April, 1855, 324. 
Cassin.—Notices of some new and little known birds in the collection of the United States Exploring Expedi- 
tion, and the collection of the Academy of Natural Sciences of Philadelphia. By Joun Cassin. VII, Dec. 1855, 438. 
Casstn.—Notes on North American birds in the collection of the Academy of Natural Sciences, Philadelphia, 
and National Museum, Washington. By Joun Cassin. VIII, Feb. 1856, 89. 
Casstn.—Descriptions of new species of African birds in the Museum of the Academy of Natural Sciences, of 
Philadelphia. Collected by Mr. P. B. Du Chaillu in Equatorial Africa. By Joun Cassin. VUI, Aug. 1856, 156. 
Cassin.—Descriptions and notes on birds of the collection of the Academy of Natural Sciences of Philadelphia, 
and in the National Museum, Washington. By Joun Cassin. VIII, Oct. 1856, 253. 
Cassin.—Catalogue of birds collected at Cape Lopez, Western Africa, by Mr. P. B. Du Chaillu, in 1856, with 
notes and descriptions of new species. By Joun Cassin. VIII, Dec. 1856, 516. 
Cassin.—Notes on the North American species of Archibuteo and Lanius, and description of a new species of 
toucan, of the genus Selenidera. By Joun Cassin. IX, Dec. 1857, 211. 
Cassin.—Catalogue of the Vultwridae in the collection of the Academy of Natural Sciences of Philadelphia. By 
JouN Cassin, 
Cassin.—Catalogue of the Z/irundinidae in the collection of the Academy of Natural Sciences of Philadelphia. 
By Joun Cassin. 
Cassin. —Catalogue of the Strigidae in the collection of the Academy of Natural Sciences of Philadelphia, By 
Joun Cassin. 
*Cassin.—Catalogue of the Haleyonidae in the collection of the Academy of Natural Sciences of Philadelphia, 
By Joun Cassin. Noy. 1, 1852. 
Covcu, Lr. D. N.—Descriptions of new birds of northern Mexico. VII, April, 1854, 66. 
Duptey, W.—Description of a species of crane found in Wisconsin, presumed to be new. VII, April, 1854, 64, 
(Grus hoyanus.) 
GambeL.—Descriptions of some new and rare.birds of the Rocky Mountains and California. By Wm. GamBen. 
(Picus nuttalii, Parus montanus, Fringilla blandingiana. Lophortyx gambelit.) I, April, 1843, 258. 
GampeL.—Descriptions of new and little known birds, collected in Upper California. By Wa. Gamer. II, 
Aug. 1845, 263. 
GampeL.—Remarks on the birds observed in Upper California. By Witi1am GaMpen. Accipitres, LY, April, 
1846, 44; Passeres, III, Oct. 1846, 110; Ill, Feb. 1847, 154; April, 200. 
Gambet,—On an albino specimen of Muscicapa virens from Liberty county, Georgia, and a specimen of wood- 
pecker, Picus pubescens, but probably a new species. By Wa. GAMBEL. IL, Oct. 1847, 278. 
