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Show 134 ZOOLOGY OF THE VOYAGE OF TilE BEAGLE. obscure fielvo late marginata; genis gutture, corporeque infi·aflavescentibus; 1·ostro rubro; pedibus viridescenti-flavis. Long. tot. 9 uno.; alaJ, 5!; cauda!, 2t; tar8i, 1~; rostrio, ~· Habitat, Ascension Island, Atlantic Ocean. (July.) This specimen was killed with a stick near the summit of the Island. It was evidently a straggler, which had not long arrived. There is no aboriginal land bird at Ascension. OnnEn-PALMIPEDES. ANSER MELANOPTERUS. Eyton. Anser melanopterus, E!Jton, Monog. Anatidm, p. 93. PLATE L. Captain FitzRoy purchased a skin of this fine goose at Valparaiso, which he has presented to the British Museum. There is another specimen at the Zoological Society, which Mr. Pentland procured from the lake of Titicaca, in Bolivia. CHLOEPHAGA MAGELLANICA. Eyton. Anna Magellanica, Gmel. Syst. i. 505. Chloephaga ~'I:agellanica, Eyton, Monog. Anatidm, p. 82. Bernicla leucoptera, Lesa. Trait d'Ornith. 627. This goose is found in Tierra del Fuego, and at the Falkland Islands; at the latter it is common. They live in pairs and in small flocks throughout the interior of the island, being rarely or never found on the sea-coast, and seldom even near fresh-water lakes. I believe this bird does not migrate from the Falkland Islands; it builds on the small outlying islets. This latter circumstance is supposed to be owing to the fear of the foxes ; and it is perhaps from the same cause, that although very tame by day, they are much the contrary in the dusk of the evening. These geese live entirely on vegetable matter ; they are called by the seamen, the "upland geese." Mr. Eyton, in his excellent Monograph on the Anatidre, has described the trachea of this bird, which I brought home in spirits. BERNICLA ANTARCTICA. Steplt. Bcrnicla antarctica, Steplt. Sh. Zool. xii. 59. ------Eyton, Monograph, p. 84. Anas Antarctica, Gmel. Syst. i. 505. This goose is common in Tierra clel Fuego, the Falkland Islands, and on the western coast, as far north as Chiloe. It is called by the sailors the "rock goose," as it lives exclusively on the rocky parts of the sea-coast. In the deep and retired |