VANELLUS. 229 



It is nearest related to V. cayennensis and V. occidentalis, having, like them, a great Nearest 

 deal of white on the wing-coverts. It has, however, lost its hind toe, and has acquired a aUies ' 

 very small spur, which is not visible above the feathers in immature birds. 



VANELLUS CAYANUS. 



LITTLE WHITE-WINGED LAPWLNG. (Plate X.) 

 Vanellus alis calcaratis : halluce nullo : secundariis fere omnino albis : pedibus pallidis. Diagnosis. 



No local races of this species are known. Variations. 



Charadrius cayanus, Latham, Index Orn. ii. p. 749 (1790). Synonymy. 



Charadrius stolatus, Wagler, Syst. Av. p. 59 (1827). 



Philomachus cayanus (Lath.), Gould, Zool. Voy. Beagle, iii. p. 127 (1841). 



Hoplopterus cayanus (Lath.), Gray, Genera of Birds, iii. p. 542 (1847). 



Hoploxypterus cayanus (Lath.), Bonap. Compt. Rend, xliii. p. 418 (1856). 



Vanellus cayanus (Lath.), Schlegel, Mus. Pays-Bas, Cursores, p. 62 (1865). 



Plates. — Planches Enl. no. 833. Literature. 



Habits. — Wied, Beitr. Nat. Brasil. iv. p. 764. 

 Eggs. — Unknown. 



The Little White-winged Lapwing appears to be found on almost every river-side in Geographi- 

 South America. Moore obtained it in Honduras (Proc. Zool. Soc. 1859, p. 63) ; Fraser tf 1 n distribu " 

 found it in Ecuador (Proc. Zool. Soc. 1860, p. 290); Bartlett secured it on a tributary of 



