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Show 1867.] THE BIRDS OF THE LOWER AMAZONS. 567 was hitherto unknown, that this catalogue has been prepared. Mr. Wallace has rendered it more valuable by adding notes on the habits and range of certain species, which have his initials affixed to them. The principal localities wherein the present collection was formed were:- 1. Mexiana. An island situated in the main stream of the Amazons, between the great Island of Marajo and the northern shore. Mr. Wallace has given an account of his sojourn in this island in his ' Travels,' p. 86, where he speaks of it as follows: - " The Island of Mexiana is about twenty-five miles long by twelve broad, of a regular oval shape, and is situated exactly on the Equator. It is quite flat, and is all campo, or open ground, but dotted with scattered trees and bushes, and with a little forest at the water's edge. It is celebrated for its birds, alligators, and ongas, and is used as a cattle estate by the proprietor." 2. Island of Marajo. A few specimens were collected at Jungcal, on the northern side of this island (see 'Travels,' p. 107). 3. Para. The species marked "Para" were all collected within ten miles of the city. The forest commences within two miles of the town. The whole aspect of the country is fully described in the second chapter of Mr. Wallace's interesting narrative. 4. Rio Tocantins. The species marked thus were collected between the mouth of the river and the first falls, during the excursion spoken of in Mr. Wallace's ' Travels,' Chap. III. Some interesting remarks on the same subject will also be found in Mr. Bates's well-known ' Naturalist on the Amazons,' Chap. IV. 5. Rio Capim. This is a small river issuing into the Rio Para, near the city of Para. Mr. Wallace gives an account of his excursion up this river in Chap. V. of his 'Travels.' 6. Rio Negro. A full account of Mr. Wallace's journey on this river and its affluents will be found in Chap. VII. and four following chapters of his narrative. It is much to be regretted that the species from this district recorded in the present list form but a very small portion of the number actually collected-the series reserved by Mr. Wallace for his own use having been lost in the manner already mentioned, and that transmitted to England dispersed without any record having been kept of it. Besides the specimens obtained at these localities, a few others were procured at various points of the main stream on the voyage up to Barra, chieOy at Montalegre and Santarem. The following list gives the names of all the species remaining in Mr. Wallace's hands from the above-mentioned localities. A few well-known species, identifiable without any chance of error from Mr. Wallace's notes, have been added to it-and a few others, of which examples collected by Mr. Wallace are in Sclater's collection or in the British Museum. The nomenclature adopted for the Passeres, Picarise, and Psittaci is that of Sclater's ' American Catalogue,' unless the contrary is stated. The species described as new are three in number, namely Hylophilus rubrifrons, Hylophilus semicinereus, and Heteropelma |