BIRDS—LIST OF AUTHORITIES. 947 
Psaltria plumbea, Cyanocitta macrelopha, Carpodacus cassinii, Zonotrichia fallax, Pipilo mesoleucus, Centurus uropygialis.) VII, 
June, 1854, 118, 
Cassin.—On the occurrence of Srix nyctea, during the winter of 1843~'44, in the vicinity of Philadelphia. By 
Joun Cassin. II, March, 1844, 19. 
Cassin.—Description of a new vulture in the Museum of the Academy of Natural Sciences, of Philadelphia. 
(Cathartes burrovianus.) By Joun Cassin. II, March, 1845, 212. 
Cassty.—Note on an instinct probably possessed by the herons. (Ardea.) By Joun Cassin. Il, December, 
1846, 135. 
Cassry.—Description of a new rapacious bird in the Museum of the Academy of Natural Sciences, of Phila- 
delphia. (Cymindis wilsonit.) By Joun Cassty. III, April, 1847, 199. 
Cassin.—Description of a new Buceros, and a notice of Buceros elatus, both of which are in the collection of the 
Academy of Natural Sciences of Philadelphia. By Joun Cassin. III, December 1847, 330. 
Cassin.—Descriptions of three new species of Jcferus, (Briss,) specimens of which are in the Museum of the 
Academy of Natural Sciences of Philadelphia. By Joun Cassry. (Jcterus maculi-alatus, Icterus auricapillus, Icterus 
giraudii.) III, December, 1847, 332. 
Cassin. 
Descriptions of the new species of the genus Cyanoeorax, of which specimens are in the collection of 
the Academy of Natural Sciences of Philadelphia. By Joun Cassry. IV, Feb., 1848, 26. 
Cassty.—Descriptions of new species of birds of the genera Vidua, Huplectus, Pyrenestes, and Pitylus ; specimens 
of which are in the collection of the Academy of Natural Sciences of Philadelphia. By Joun Cassix. IV, June, 
1848, 65. 
Cassin.—Description of anew Tunagra in the collection of the Academy of Natural Sciences of Philadelphia. By 
JouN Cassin. IV, Oct., 1848, 85. 
Cassiv.—Catalogue of birds collected by Mr. William S. Pease during the march of the army of the United 
States from Vera Cruz to the city of Mexico. By Joun Cassin. IV, Oct., 1848, 87. 
Cassin —Descriptions of owls presumed to be undescribed ; specimens of which are in the collection of the 
Academy of Natural Sciences of Philadelphia. By Joun Cassin. IV, Dec., 1848. 121. 
Casstn.—Descriptions of new species of the genera Nyctale and Sycobius; specimens of which are in the collection 
of the Academy of Natural Sciences of Philadelphia. By Jown Cassin. IV, Feb., 1849, 157. 
Cassin.—Notes of the examination of the family Vulturidae, in the collection of the Academy of Natural Sciences 
of Philadelphia. By Joun Cassin. IV, Feb., 1849, 158. 
Cassty.—Remarks on a specimen of Anas rafflesii from Louisiana. By Joun Cassin. IV, Aug , 1849, 195. 
Cassin.— Description of new species of birds of the family Cuprimulgidae; specimens of which are in the collection 
of the Academy of Natural Sciences of Philadelphia. By Joun Cassin. IV, Oct., 1849, 236. 
Cassty.—Descriptions of new species of birds, specimens of which are in the collection of the Academy of 
Natural Sciences of Philadelphia. By Joun Cassin. V, Jane, 1850, 56. 
Cassin.—Descriptions of new species of birds of the genera Paradisea, Pastor, and Buceros, and a proposition to 
rename others of the genera Alcyon and Hirundo. By Jonn Cassin. V, Aug , 1850, 67. 
Cassty.—Descriptions of new species of birds of the genera Parus, Lmberiza, Carduelis, Myiothera, Leuconerpes ; 
specimens of which are in the collection of the Academy of Natural Sciences of Philadelphia. By Joun Cassin. V, 
Oct., 1850, 103. 
Cassin. —Notice of an American species of duck hitherto regarded as identical with the Oidemia fusca, (Oidemia 
velvetina.) By Joun Cassin. V, Dec., 1850, 126. 
Cassin.—Sketch of the birds composing the genera Vireo and Vireosylvia, with a list of the previously known, 
and descriptions of three new species, ( Vireo hultoni, and Vireosylvia flavoviridis, and philadelphica.) By Joun Cassin. 
V, Feb., 1851, 149. 
Cassin. —Descriptions of new species of birds of the genera Galbula and Bucco, specimens of which are in the 
collection of the Academy of Natural Sciences of Philadelphia. By Jonn Cassin. V, Feb., 1851, 154. 
Cassin.—Notes of an examination of the birds composing the family Caprimulgidae, in the collection of the 
Academy of Natural Sciences of Philadelphia. By John Cassty. V, April, 1851, 175. 
Cassin.—Notes on specimens of Ephialtes naevia and E. asio. By Joun Cassin. V, Aug., 1851, 236. 
Cassrn.—Descriptions of new species of birds of the family Laniadae, specimens of which are in the collection of 
the Academy of Natural Sciences of Philadelphia. By Joun Cassin. V, Aug. 1851, 244. 
