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BIBLIOGRAPHY OF 



CASSIN (John). Descriptions of new species of birds of the genera 

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

 collection of the Academy of Natural Sciences of Philadel- 

 phia.— Proc. Acad. Nat. Sc. Philad. V. 1851, 154. (153 

 Nov. sp. Galbula cyanicollis. Brazil. 

 Bucco Ordii. Venezuela. 



Cassin (John). Notes of an examination of the birds composing 

 the family Ccqyrimulgidce, in the collection of the Academy 

 of Natural Sciences of Philadelphia. — Proc. Acad. Nat. Sc. 

 Philad. V. 1851, 175. (154 

 Nov. gen. Stenopsis, and Lurocalis. 



Cassin (John). Catalogue of the Caprimulgidce in the collection of 

 the Academy of Natural Sciences of Philadelphia. — Proc. 

 Acad. Nat. Sc. Philad. V. 1851, 278. (156 



CASSIN (John). 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. — Proc. Acad. Nat. Sc. Philad. 

 V. 1851, 347. (157 



Nov. sp. Amer. 



Manacus flaveolus. Bogota, New Grenada. 



Picus thyroideus. California. 

 Nov. sp. Exot. 



Laniarius carbonarius. Western Africa. 



Dicrurus aculeatus. Eastern Africa. 



Graucalus azureus. Western Africa. 



Giraud (J. P.). Description of a new species of Selinaia. — Ann. 



Lyc. Nat. Hist. New York. V. 1851, 40. (158 

 Nov. sp. Helinaia brevipennis. Mexico and Texas. 



Gould (J.). Descriptions of new birds. — Proc. Zool. Soc. Lond. 



and Ann. & Mag. Nat. Hist. VII. 1851, 339. (159 



Nov. sp. Amer. 



Cephalopterus glabricollis. South America. 

 Andigena laminirostris. Quito. 

 Odontophorus columbianus. Caracas. 



