EXPLANATION OF LIST OF THE AUTHORS THE AND AND ABBREVIATIONS, WORKS REFERRED TO. Albin.— Albin, Natural History of Birds. Aud. Birds of Am.—Audubon, Birds of America. Aud. Orn. Bio.—Audubon, Ornithological Biography. Aud. Syn. Birds of Am.—Audubon, Synopsis of the Birds of America. Aud. et Vieill—Audebert et Vieillot, Oiseaux dorés, ou a reflets mé- talliques. Azara Voy. dans lAmér. Mér. Sonn. edit.—Azara, Voyage dans ? Amérique méridionale, Sonnini’s edition. Banc. Hist. of Guiana.—Bancroft, Natural History of Guiana. Bodd.— Boddaert, Table de Planches enluminées d’ Histoire Naturelle de M. D’ Aubenton. Boié, in Oken’s Isis. Boiss. Mag. de Zool.—Boissoneau, in Magasin de Zoologie. Boiss. Rev. Zool.—Boissoneau, in Revue Zoologique. Bonap. Consp. Gen. Av.—Bonaparte, Conspectus Generum Avium. Bonap. Consp. Troch. in Rev. et Mag. de Zool.—Bonaparte, Con- spectus Trochilorum, in Revue et Magasin de Zoologie. Bonap. Rev. et Mag. de Zool.—Bonaparte, in Revue et Magasin de Zoologie. Bonap. Syn. Birds of U. States.—Bonaparte, Synopsis of the Birds of the United States. Bonn. et Vieill—Bonnaterre and Vieillot, in Tableau Encyclopédie Meéthodique, Part III. Ornithologie. Borowsk.— Borowski, Vogel. Boure. Ann. de la Soc. d’Agr. Hist. Nat. etc. de Lyon.—Bourcier, in Annales de la Société d’ Agriculture, Histoire Naturelle, etc. de Lyon. Boure. Ann. Sci. Phys. et Nat. de Lyon.—Bourcier, in Annales des Sciences Physiques et Naturelles de Lyon. Bource. Compt. Rend. de l’Acad. des Sci.—Bourcier, in Comptes Ren- dus de ’ Académie des Sciences. Boure. in Proc. Zool. Soc.—Bourcier, in the Proceedings of the Zoo- logical Society of London. Boure. Rev. Zool. Bourcier, in Revue Zoologique. Boure. et Muls.—Bourcier and Mulsant, in Revue Zoologique. Bource. et Muls. Ann. de la Soc. Sci. de Lyons.—Bourcier and Mulsant, in Annales des Sciences Physiques et Naturelles de Lyon. Boure. et Muls. Ann. de l’Acad. Sci. Bell. Lett. et Arts de Lyon.— Bourcier and Mulsant, in Annales de ? Académie des Sciences, Belles-Lettres et Arts de Lyon. Boure. et Muls. Ann. de la Soc. Linn. de Lyon.—Bourcier and Mul- sant, in Annales de la Société Linnéenne de Lyon. Brandt, Icon. Av. Ross.—Brandt, Descriptiones et Icones Animalium Rossicorum, etc. Bridges, Proc. of Zool. Soc.—Bridges, in the Proceedings of the Zoo- logical Society of London. Briss. Orn.— Brisson, Ornithologie. Brown. Nat. Hist. of Jam.—Browne, The Civil and Natural History of Jamaica. Bryant, List of Birds seen at the Bahamas. Buff. Hist. Nat. des Ois.— Buffon, Histoire Naturelle des Oiseaux. Buff. Sonn. edit.—Sonnini’s edit. of Buffon’s Histoire Naturelle des Oiseaux. Buff. Pl. Enl.—Buffon’s Planches Enluminées. Burm. Th. Bras.—Burmeister, Systematische Uebersicht der Thiere Brasiliens. Cab. and Cab. et Hein.—Dr. Cabanis and Ferdinand Heine, Museum Heineanum. Cab. or Cabanis in Rich. Schomb. Reisen in Brit. Guian.—Cadanis, in Schomburgk’s Reisen in Britisch Guiana. Cabot in Proc. of Boston Soc. of Nat. Hist—Cabot, in the Proceed- ings of the Boston Society of Natural History. Cassin, Il. Birds of California.—Cassin, Illustrations of the Birds of California. Cuv. Régn. Anim.—Cuvier, Reyne Animal. Darwin, Zool. of Beagle——Darwin, The Zoology of the Voyage of H. M. 8. Beagle, Part II. Birds, by John Gould. Da Silva, Maia Minerva Brasiliensis. Delatt. Echo du Monde Savant.—Delattre, in L?Echo du Monde Savant. Delatt. in Rev. Zool.—Delattre, in Revue Zoologique. Delatt. et Boure. Rev. Zool.—Delattre and Bourcier, in Revue Zoolo- gique. Delatt. et Less. Rev. Zool.—Delattre and Lesson, in Revue Zoologique. De Longuem. Rey. Zool.—De Longuemare, in Revue Zoologique. Dev. Rev. et Mag. de Zool.—Deville, in Revue et Magasin de Zoologie. D’Orb. Voy. dans Amér. Mérid. Ois.—D?Orbigny, Voyage dans Amérique Méridionale: Oiseaux. D’Orb. et Lafres. Syn.—D’ Orbigny et Lafresnaye, Synopsis Avium. Drapiez, Dict. Class. d’Hist. Nat.—Drapiez, in Le Dictionnaire Classique @ Histoire Naturelle. Dubus, Esquisses Orn.— Dubus, Esquisses Ornithologiques. Dumont, Dict. Sci. Nat.—Dumont de St. Croix, in Le Dictionnaire des Sciences Naturelles. Edwards, Birds, or Nat. Hist. of Birds.—Edwards, Natural Mistory of uncommon Birds. Edw. Glean. or Glean. of Nat. Hist—Edwards, Gleanings of Natural Mistory. Ferm. Surmam.—Fermin, Histoire Naturelle de Surinam. Fras. in Proc. Zool. Soc.—Fraser, in the Proceedings of the Zoological Society of London., Gambel, Notes on Californian Birds. Gambel, in Proc. of Acad. Sci. Philad.—Gamdbel, in the Proceedings of the Academy of Sciences of Philadelphia. Gerv. Mag. de Zool.—Gervais, in Le Magasin de Zoologie. Gmel. Linn. Syst. Nat.— Gmelin’s edition of Linneus’s Systema Nature. Gosse, Birds of Jamaica. Gosse, Ill. Birds of Jam.—Gosse, Ilustrations of the Birds of Jamaica. Gould, in Ann. and Mag. Nat. Hist.—Gould, in the Annals and Maga- zine of Natural History. Gould, in Jard. Contr. to Orn.— Gould, in Jardine’s Contributions to Ornithology. Gould, Proc. Zool. Soc.— Gould, in the Proceedings of the Zoological Society of London. Gould, in Rep. Brit. Assoc.—Gould, in the Report of the British Asso- ciation. Gould, Zool. of Beagle-—Gould, in Zoology of the Voyage of H. M.S. Beagle, Part III. Birds. Gray, Cat. of Gen. and Sub-gen. of Birds in Brit. Mus.—G. R. Gray, Catalogue of the Genera and Sub-genera of Birds contained in the British Museum. Gray, List of Gen. of Birds.—G. R. Gray, List of the Genera of Birds. Gray and Mitch.—Gray and Mitchell, The Genera of Birds. Gundl. in Cab. Journ. fiir Orn.— Gundlach, in Cabanis’s Journal fiir Ornithologie. Hill, Ann. and Mag. Nat. Hist.—Hill, in the Annals and Magazine of Natural History. Jard. or Jardine in the Ann. and Mag. Nat. Hist.—Jardine, in the Annals and Magazine of Natural History. Jard. Cont. to Orn.—Jardine, Contributions to Ornithology. 2H