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Show 1880.] Sl'ECIES OF ANATIDAE. 501 us, though it has done so in the gardens of Antwerp and Berlin, and, I believe, of Liege. 14. ANSER CYGNOIDES, Linn. Chinese Goose. Anser grandis, Gm. et Pall. (?). Hab. China. The domestic Swan-Goose, introduced from China, has been in the Gardens since 1831, and breeds readily inter se. It also hybridizes readily with the Domestic Goose and with Bernicla canadensis. 15. ANSER HYPERBOREUS, Pallas. Snow-Goose. Anser hyperboreus, Gould, B. Eur. t. 346. Hab. Northern Europe, Asia, and America. I have never yet seen the Snow Goose alive, but there were formerly examples of it in the Knowsley Menagerie. It would be a fine addition to our Collection, and, I suppose, might easily be obtained in British Columbia. Nor have the allied forms of this species (A. albatus and A. ceerulesccns), so far as I know, been imported, at any rate of late years. 16. ANSER ALBATUS (Cass.). Cassin's Snow-Goose. Chen albatus, Elliot, B. N. A. ii. t. xiii. Hab. Arctic America. 17. ANSER CARULESCENS (Linn.). Blue Snow-Goose. Chen ceerulescens, Elliot, B. N. A. ii. t. xliii. Hab. Arctic America. 18. ANSER ROSSI, Baird. Ross's Goose. Exanthemops rossii, Elliot, B. N . A m . t. xliv. Hab. Arctic America. This Goose is also still unknown in captivity. 19. ANSER CANAGICUS (Sewartz.). Emperor Goose. Chloephaga canagica, Elliot, B. N. A. t. xiv. Hab. N.E. Asia and N.W. America. This fine Goose has not yet been introduced into Europe. It would be a great acquisition. Genus BERNICLA. a. Species Arctica. 20. B E R N I C L A LEUCOPSIS (Bechst.). Bernicle Goose. Bernicla leucopsis, Gould, B. Gt. Brit. t. v. • Hab. Palaearctic Region. _ This Bernicle occurs in the earliest lists (Rep. Council, 1835); and. young ones were hatched in the Gardens in 1848 (May 23). It breeds freely in captivity. |