Narrative of the surveying voyages of his majesty's ships Adventure and Beagle (vol.1): between the years 1826 and 1836 : describing their examination of the southern shores of South America, and the Beagles's circumnavigation of the globe

532 BIRDS. 1. Sarcoramphus Gryphus. — Dumerel. The Condor. Vultur Gryphus. — Lin. 2. Cathartes Iota. — Chilian Eagle. 3. PoLYBORUS VULGARIS. Falco BrasiUeiisis. Latham. Cara^ara Eagle. Strait of Magalhaens. 4. MiLOAGO OCHROCEPHALA. — Spix. YouHg bircls. Strait of Magalhaens. 5. HALiiETUs ERYTHRONOTUs. — Nob. in Zool. Journal, iii. 424. Hal. capite alisque fusco-griseis ; dorso scapularibusque ru/is, corpore cauddque suhtus albis, Jasciis fuscis gracilibtis leviter notatis, hdcfascid lata prope apicem nigra. The total length of the bird from the apex of the bill to the extremity of the tail is 2 feet ; of the bill from the rictus to the apex 2 inches ; from the cere 1 inch ; of the wing, from the end of the carpal joint to the end of the third quill feather, 18 inches of the tail lO.i inches ; of the tarsus tliree inches. Strait of Magalhaens. "&•" 6. Falco sparoerius. — Latham. Strait of Magalhaens. 7. Falco peregrinus ? Strait of Magalhaens. 8. PoLYBORUS BrASILIENSIS. Polyborus Novae Zealandise. Falco Novae Zealandia2 of Latham. 9. Circus histrionicus. — Nob. in Zool. Journal, iii, 425. Falco histrionicus, Quoy and Gaimard. Circo cineraceus uropygio corporeque suhtus albis: hoc fasciis frequentibus rujis notato. The length from the apex of the bill to that of the tail is 18