342 APPENDIX. 



Plectropterus gambensis. Spur-winged Goose, 



Anas gambensis Linncms, Syst. Nat. 12th ed. i. 1766, 

 p. 195 : Gambia, ^\. Africa. 



Plectropterus gamtensis {Linn.') ; B. O. U. List, 1st ed. 1883, 

 p. 114 ; Salvaclori, Cat. Binh B. M. xxvii. 1895, p. 48 ; 

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



There are four records : — Cornwall, June 1821 ; BaniF, 

 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 moscliata Linnceus, Syst. Nat. 12th ed. i. 17C6, 

 p. 199 : " India." 



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

 Salvadori, 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. 



Mk sponsa. Summer-Duck. 



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



States. 



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

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

 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. 



