AVES IBIDID^. 349 



Wilson's Phalarope was not recorded by the naturalists of the Prince- 

 ton Expeditions, though it is known to occur practically throughout 

 Patagonia during the months of December, January and February. The 

 descriptions are based on material in both the British Museum of Natural 

 History and in the Princeton Museum. 



Order ARDEIFORMES. 



Sharpe, Classif Bds. p. 75 (1891) (= Pelargiformes) ; id. Hand-List Bds. 



I, p. 184 (1899). 



Suborder Platale^. 

 Sharpe, Cat. Bds. Brit. Mus. XXVI. p. i. (1898) (= Order Platalece); 



id. Hand-List Bds. I, p. 184 (1899). 



Family Ibidid^e. 



Sharpe, Cat. Bds. Brit. Mus. XXVI. p. 2 (1898); id. Hand-List Bds. 

 I, p. 184 (1899). 



Genus THERISTICUS Wagler. 



Type. 



Theristicus, Wagler, Isis, 1832, p. 1231 ; Sharpe Cat. Bds. 

 Brit. Mus. XXVI. p. 21 (1898); id. Hand-List Bds. 

 I, 186 (1899) T. candatiis. 



Geographical Range. — Restricted to South America. 



Theristicus melanopis (Gmelin). 



?Le Petit Courly d'Amerique, Briss. Orn. V. p. 337 (1760). 

 ?Grey Ibis, Lath. Gen. Syn. III. pt. i, p. no (1785). 

 Black-faced Ibis, Lath. torn, cit, p. 108, pi. LXXIX ex Forst 

 ? Tantalus griseiis, Gm. Syst. Nat. I. p. 653 (1788). 

 Tantahis melanopis, Gm. tom. cit., p. 653. 

 Mandurria 6 ciirncdn, Azara, Apunt. II. p. 189 (1805). 



