PDF - Wallace Online

364 GEOGRAPHICAL ZOOLOGY. [part IV.
cosmopolitan ; Chaulelasmus (2 sp.), Palsearctic region and North
America; Spatula (5 sp.), all Temperate regions; Malacorhynchiis
(1 sp.), Australia; Cairina (1 sp.). Tropical South America;
Branta (1 sp.), Palsearctic region and India ; Fuligula (5 sp.).
North Temperate regions and New Zealand ; j^thija (5 sp.),
Palsearctic and Nearctic regions, India, Australia, and South
Africa ; Metopiana (1 sp.), South Temperate America ; Bucephala
Harelda (2 sp.). North-
(4 sp.), Nearctic and Palsearctic regions ;
ern Palseartic and Nearctic regions ; Hymenolaimus (1 sp.), New
Zealand ; Camptolaimus (1 sp.). North-east of North America
Micropterus (1 sp.). Temperate South America ; Somateria (5
sp.), Arctic and sub-arctic regions ; CEdemia (5 sp.), Nearctic
and Palsearctic regions; Biziura (1 sp.), Australia; Thalassornis
(1 sp.), South Africa ; Erismatura (6 sp.), all America, South-
east Europe and South Africa; Nesonetta (1 sp.), Auckland
Islands ; Merganetta (3 sp.), Andes of Columbia to Chili ; Mer-
gus (6 sp.), Palsearctic and Nearctic regions, Brazil, and the
Auckland Islands.
Family 119.—LAEID^. (13 Genera, 132 Species.)
General Distribution.
;