216 



VANELLUS. 



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 * 



Subffeneric group Vanelli .■ with a hind toe and a spur. 

 f South- American Species. 



VANELLUS CAYENNENSIS. 



CAYENNE LAPWING. 



Diagnosis. Vanellus halluce parvo : subalaribus albis : tectricibus splendide iridescentibus. 



Variations. 



S}'nonymy. 



Literature. 



Southern examples are so much greyer on the sides of the neck that they may fairly be 

 regarded as subspecifically distinct. 



Parra cayennensis, Gmelin, Syst. Nat. i. p. 706 (1788). 



Tringa cayennensis {Gmel.), Latham, Index Orn. ii. p. 727 (1790). 



Vanellus cayennensis [Gmel.), Vieillot, N. Diet. d'Hist. Nat. xxxv. p. 206 (1819). 



Charadrius cayennensis [Gmel.), Lichtenstein, Verz. Doubl. p. 70 (1823). 



Charadrius lampronotus, Wagler, Syst. Av. p. 74 (1827). 



Belonopterus cayennensis [Gmel.), Bonap. Compt. Rend, xliii. p. 418 (1856). 



Plates . — Unfigured . 



Habits.— Gibson, Ibis, 1880, p. 161. 



Eggs.— Thienemann, Abbild. Vogeleiern, pi. Iviii. fig. 7; Harting, Proc.Zool. Soc. 1874, p. 457. 



