342 APPENDIX. 



Plectropterus gambensis. SPUR-WINGED GOOSE. 



Anas grambensis Linnmis, Syst. Nat. 12th ed. i. 1766, 



p. 195 : Gambia, W. Africa. 



Plectropterus gamlaensis (Linn.} ; B. O. U. List, 1st ed. 1883, 

 p. 114 ; Salvadori, Cat. Birds B. M. xxvii. 1895, p. 48 ; 

 Sounders, Manual, 2nd ed. 1899, p. 412. 



There are four records : Cornwall, June 1821 ; Banff, 

 Feb. 1855 ; Berkshire, 1858-9 ; Wiltshire, Sept. 1869 ; but 

 all probably introduced, as the species is common in captivity. 



The Spur-winged Goose is found in the Ethiopian region 

 from Gambia and British East Africa southwards to the 

 Zambesi. 



Cairina moschata. MUSCOVY DUCK. 



Anas moschata Linna>us, Syst. Nat. 12th ed. i. 1766, 

 p. 199 : " India." 



Cairina moschata (Linn.) B. O. 17. List, 1st ed. 1883, p. 121 

 Salvador!, Cat. Birds B. M. xxvii. 1895, p. 51. 



A domesticated species which frequently escapes. 

 The Muscovy Duck is a native of tropical America from 

 Mexico to Paraguay. 



sponsa. SUMMER-DUCK. 



Anas sponsa Linnaeus, Syst, Nat. 1758, p. 128 : United 

 States. 



MX sponsa (Linn.) ; B. O. II. List, 1st ed. 1883, p. 123 ; Sal- 

 vadori, Cat. Birds B. M. xxvii. 1895, p. 73 ; Sounders, 

 Manual, 2nd ed. 1899, p. 432. 



Frequently kept in captivity and bred on ornamental 

 waters, whence it wanders and is often shot. 



The Summer-Duck is found throughout temperate North 

 America from British Columbia and Ontario to southern 

 California and Florida. 



