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

May 1830. zoological kemarks. 359 viously observed near the Strait, Lieutenant Skyring and his party saw few living creatures. One novelty which ]\lr. Bynoe gave me was a splendid corvorant, which, being quite new, and the most beautiful of the genus, I named P halacrocorax Imperialis.* I also received a species of swan, quite distinct from the common one of the Strait, which has been long known as the black-necked swan (Anser nigricollis of Ind. Orn., ii. 834 and Latham, x. 2:^3). Considering it an undescribed species, it was named Cygnus anatodoides.-f Several deer were seen, but none obtained. There is reason, however, to suppose them to be of a novel species. The horns are short and straight. * Phal : capite cristato, collo posterioi'i, corporeque supra intense pur- pureis; alls scapularihusque viridi-atris; remigibus rectricibusque duodecim, fusco-atris ; corpore subtus, fascia alarum maculdque dorsi medii sericeo- albis ; rostro nigro ; pedibus flavescentibus. Staluria Phal. Carbonis_ It was found in the Inner Sounds, within the 'Ancon sin Salida.' Proceed, of the Zool. Society, vol. i. ; also Phil, Magazine, for March 1831, p. 227. t C. albus remigibus primariis ad apicem nigris, rostro pedibusque rubris, illo lata subdepresso. Molina describes a Chilian duck thus. Anas Cosco- roba A. rostro extremo dilatato rotundnto, corpore albo, but I do not think it is the same as my specimen ; certainly it is not Anser Candidus of Veillos, the ganso bianco of D'Azara, which the author of the Diet. D'Hist. Nat. (xxiii. 331.) supposes to be the same as A. Coscoroba (id. p. 332). Molina's description is very short, and does not mention the tips of the primary wing feathers being black.