400 PATAGONIAN EXPEDITIONS : ZOOLOGY, 



Ardetta involucris (Vieillot). 



Garsa varia, Azara, Apunt. III. p. 185 (1805). 



Ardea variegata, Vieill. (nee Scop.), N. Diet. d'Hist. Nat. XIV. p. 424 

 (1817 : ex Azara). 



Ardea involucris, Vieill. Ene. Meth. III. p. 11 27 (1823); Gray, Handl. 

 B. III. p. 31, no. 10152 (1871). 



Ardea exilis (pt), Gray, Gen. B. III. p. 556 (1847). 



Ardea erythromelas (pt.), Hartl. Ind. Azara, p. 23 (1847). 



Ardetta exilis (nee Gm.), Des Murs in Gay's Hist. Chil. Zool. I. p. 411 

 (1847) ; James, New List Chil. B. p. 8 (1892) ; Schalow, Zool. Jahrb. 

 Suppl. IV. p. 679 (1898); Albert, Contr. Estud. Aves Chil. I. p. 295 

 (1899). 



Ardeola humilis Licht. Nomencl. Av. Mus. Berol. p. 89 (1854: Chili). 



Ardea erythromelas (nee Vieill), Pelz. Reis. Novara, Vog. p. 124 (1865: 

 Chili). 



Ardetta involucris, Scl. & Salv. P. Z. S. 1869, p. 634 (Argentine Republic) ; 

 iid. Nomencl. Av. Neotr. p. 125 (1873); Huds. P. Z. S. 1875, pp. 

 623-631 (habits); Durnf. Ibis, 1876, p. 162, 1877, p. 189 (Buenos 

 Aires), 1878, p. 62 (nest and eggs described); Gibson, Ibis, 1880, 

 p. 159 (Cape San Antonio); Barrows, Auk, I. p. 271 (1884: Con- 

 cepcion, summer: Carhue, April); Withington, Ibis, 1888, p. 470 

 (Lomas de Zamora) ; Scl. & Huds. Argent. Orn. II. p. loi, pi. xvi, 

 (1889); Holland, Ibis, 1890, p. 425, 1892, p. 205 (Estancia Espartilla 

 resident, breeds in November) ; Sharpe, Cat. B. Brit. Mus. XXVI, 

 p. 235 (1898: Patagonia); id. Hand-list B. I. p. 203 (1899). 



Botaurus erythromelas, Reichen. (nee Vieill.), J. f. O. 1877, p. 244. 



Ardetta erythrolcema, Heine & Reichen. Nomencl. Mus. Hein. p. 308 

 (1890: Chih). 



Butorides involucris, Scl. Ibis, 1892, p. 561. 



Botaurus involucris, Ridgw. Man. N. Amer. B. p. 128 (1896). 



Ardetta erythromelas (nee Vieill.), Schalow, Zool. Jahrb. Suppl. IV. p. 

 679 (1898). 



General description. 



Size. — Total length, about 13.0 inches. 



Wing, 4.9. 



Culmen, 2.0. 



