THE ZOOLOGY OF THE VOYAGE OF H.M.S. BEAGLE, UNDER THE COMMAND OF CAPTAIN FITZROY, R.N., DURING THE YEARS 1832 TO 1836. _PUBLISHED WITH THE APPROVAL OF THE LORDS COMMISSIONERS OF HER MAJESTY’S TREASURY._ =Edited and Superintended by= CHARLES DARWIN, ESQ. M.A. F.R.S. SEC. G.S. NATURALIST TO THE EXPEDITION. PART III. BIRDS, BY JOHN GOULD, ESQ. F.L.S. LONDON: PUBLISHED BY SMITH, ELDER AND CO. 65, CORNHILL. MDCCCXLI. LONDON: PRINTED BY STEWART AND MURRAY OLD BAILEY. BIRDS, =Described by= JOHN GOULD, ESQ. F.L.S. WITH A NOTICE OF THEIR HABITS AND RANGES, BY CHARLES DARWIN, ESQ. M.A. F.R.S. SEC. GEOLOG. SOC. AND WITH AN ANATOMICAL APPENDIX, BY T. C. EYTON, ESQ, F.L.S. ILLUSTRATED BY NUMEROUS COLOURED ENGRAVINGS. CORRIGENDA. I am indebted to Mr. G. R. Gray for the following remarks and corrections:— Page 13, to Milvago ocrocephalus, _Spix._ add Polyborus ocrocephalus, _Jard. & Selby’s III._ t. 5. Alter 7, 8, 9, & 10, to 5, 6, 7, & 8. Page 15, Milvago leucurus, add Falco Australis, _Jard. & Selby’s III. Orn._ n. s. pl. 24. Page 49, Serpophaga, _Gould_, is probably synonymous with Euscarthmus, _Pr. Max._ Page 56, Agriornis, _Gould_, is synonymous with Dasycephala of Swainson, and Tamnolanius, of Lesson; the species therefore should be sp. 1. D. lividus, _G. R. Gray_. Thamnophilus lividus, _Kittl. Voy. de Chili_, pl. 1. Tyrannus gutturalis, _Eyd. & Gerv. &c._ sp. 2. D. striata, _G. R. Gray_. Agr. striatus, _Gould_. Agr. micropterus, juv. _Gould_, sp. 3. Page 57, sp. 4. D. maritima, _G. R. Gray_. Agr. maritimus, _G. R. Gray, &c._