LIST OP CONTRIBUTORS. 15 



Cassin, John. Continued. 



Descriptions of new species of birds of the genera Baradisea, 



Pastor, and Buceros, and a proposition to rename others of the 

 genera Alcyone and Hirundo. P '50, 67 



Descriptions of new species of birds of the genera Barus 



Linn. ; Emberiza Linn. ; Cardueiis Briss, ; Myiothera HI., and 

 Leuconerpes Sw., specimens of which are in the collection of 

 the Academy of Natural Sciences of Bhiladelphia. B '50, 103 



— Notice of an American species of duck, hitherto regarded 

 as identical with Oidemia fusca Linn. B '50, 126 



— Sketch of the birds composing the genera Vireo Vieil., and 



Vireosylvia Bonap., with the list of the previously known and 

 descriptions of three new species. B '51, 149 

 — Descriptions of new species of birds of the genera Galbula 

 and Bucco Briss., specimens of which are in the collection of 

 the Academy of Natural Sciences of Bhiladelphia. B '51, 154 

 Notes of an examination of birds composing the family Cap- 



rimulgidag, in the collection of the Academy of Natural Sci- 

 ences of Bhiladelphia. B "51, 175 

 - — On specimens of Ephialtes. B '51, 236 



Descriptions of new species of birds of the family Laniadse, 



specimens of which are in the collection of the Academy of 

 Natural Sciences of Bhiladelphia, B '51, 244 

 — Note on a species of Cicada and on the Cicada septemdecem 

 (Linn.). B '51, 273 



Descriptions of birds of the genera Laniarius, Dicrurus, 



Graucalus, Manacus and Bicus, specimens of which are in the 

 collection of the Academy of Natural Sciences of Bhiladelphia. 

 B '51, 347 



— ■ Catalogue of the Caprimulgidae in the collection of the Aca- 

 demy of Natural Sciences of Bhila. B '51, Suppl. 



— On a collection of Arctic Birds. B '52, 106 



— On the return of Dr. Heermann from California. B '52, 147 



— Descriptions of new species of birds, specimens of which are 



in the collection of the Academy of Natural Sciences of Bhila. 

 B '52. 184 



— On Scalops metallescens. B '53, 240 



— ■ Description of a new mole of the genus Scalops, from Oregon ; 

 a. specimen of which is in the collection of the Exploring Ex- 

 pedition made by the U. S. Ships Vincennes and Beacock, under 

 the command of Captain Charles Wilkes, of the United States 

 Navv. P '53, 299 



