BIRDS—LIST OF AUTHORITIES. 
947 
Psaltria plumbea, Cfyanocitta macrolopha, Carpodacus cassinii, Zonoirichia 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 
JohnCassin. II, March, 1844,19. 
Cassin. —Description of a new vulture in the Museum of the Academy of Natural Sciences, of Philadelphia. 
(Cathartes burrowanus.) By John Cassin. II, March, 1845, 212. 
Cassin. —Note on an instinct probably possessed by the herons. ( Ardea .) By John Cassin. Ill, December, 
1846, 135. 
Cassin. —Description of a new rapacious bird in the Museum of the Academy of Natural Sciences, of Phila¬ 
delphia. ( Cymindis wilsonii.) By John Cassin. Ill, 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 John Cassin. Ill, December 1847, 330. 
Cassin. —Descriptions of three new species of Icterus , (Briss,) specimens of which are in the Museum of the 
Academy of Natural Sciences of Philadelphia. By John Cassin. ( Icterus maculi-alatus, Icterus auricapillus, Icterus 
giraudii.) Ill, December, 1847, 332. 
Cassin. —Descriptions of the new species of the genus Cyanooorax, of which specimens are in the collection of 
the Academy of Natural Sciences of Philadelphia. By John Cassin. IV, Feb., 1848, 26. 
Cassin. —Descriptions of new species of birds of the genera Vidua, Eupleetus, Pyrenestes, and Pitylus ; specimens 
of which are in the collection of the Academy of Natural Sciences of Philadelphia. By John Cassin. IV, June, 
1848, 65. 
Cassin. —Description of anew Tanagra in the collection of the Academy of Natural Sciences of Philadelphia. By 
JohnCassin. IV, Oct., 1848, 85. 
Cassin. —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 John 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 John Cassin. IV, Dec., 1848. 121. 
Cassin. —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 John 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 John Cassin. IV, Feb., 1849, 158. 
Cassin. —Remarks on a specimen of Anas rafflesii from Louisiana. By John Cassin. IV, Aug , 1849, 195. 
Cassin. —Description of new species of birds of the family Caprimidgidae; specimens of which are in the collection 
of the Academy of Natural Sciences of Philadelphia. By John Cassin. IV, Oct., 1849, 236. 
Cassin. —Descriptions of new species of birds, specimens of which are in the collection of the Academy of 
Natural Sciences of Philadelphia. By John Cassin. V, June, 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 Ilirundo. By John Cassin. V, Aug., 1850, 67. 
Cassin.— Descriptions of new species of birds of the genera Parus, Emberiza, Cardudis, Myiotliera, Leuconerpes; 
specimens of which are in the collection of the Academy of Natural Sciences of Philadelphia. By John Cassin. V, 
Oct., 1850, 103. 
Cassin. —Notice of an American species of duck hitherto regarded as identical with the Oidemia fusca, (Oidemia 
vdvetina.) By John 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 hutloni, and Vireosylvia Jlavoviridis, and philadelphica.) By John 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 John 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 Cassin. V, April, 1851, 175. 
Cassin.— Notes on specimens of Ephialtes naevia and E. asio. By John Cassin. V, Aug., 1851, 236. 
Cassin. —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 John Cassin. V, Aug. 1851, 244. 
