AVES ANATID^. 489 



Nat. Hist. Str. Magell. p. 94 (1871) ; id. P. Z. S. 1871, p. 262; 



Trans. Zool. Soc. VII. pp. 493-501 pis. 58-62 (1871 : Anatomy) ; 



Scl. & Salv. Nomencl. Av. Neotr. p. 130 (1873) ; Gigl. Viagg. 



Magenta, pp. 933-963 (1876) ; Oust. Miss. Sci. Cap Horn, Oiseaux, 



p. 212 pi. IV. (1891) ; Lataste, Actes Soc. Scient. Chil. III. p. cxxii. 



(1893: Str. Magell.). 

 Anas pteneros, Forst. Icon. ined. pi. 68; id. Descr. Anim. p. 338 (1844: 



Magellan). 

 Ftdigula cinerea, Schl. Dierent. p. 274 cum fig. (1864) ; id. Mus. Pays 



Bas. VI. Anseres, p. 13 (1866). 

 Camptolaimus cinereus, Gray, Handl. B. III. p. 88, no. 10704 (1871). 

 Tachyeres brachypterus, Owen, Trans. Zool. Soc. IX. p. 254 (1875). 

 Tachyeres ciiiereus, Cunningh. Nat. Hist. Str. Magell. pp. 88, 91, 93 cum 



tab. p. 154 ( 1 871) ; Scl. & Salv. P. Z. S. 1876, p. 402, 1878, p. 437 



(Messier Channel : Tom Harbour: Port Churrucha : Falkland Isl.) ; 



Scl. P. Z. S. 1879, p. 310 [tgg], 1880, p. 529; Sharpe, P. Z. S. 



1881, p. 13 (Straits of Magellan) ; Scl. & Salv. Voy. Chall. II. Birds, 



pp. 107, 150 (1881); Reichen. Orn. Centralbl. 1882, p. 17; Stejn. 



Stand. Nat. Hist. IV. p. 149 (1885); Macfarl. Ibis, 1887, p. 202; 



Burm. An. Mus. Nac. Buenos Aires, III. part X. p. 248 (Straits of 



Magellan : Falkland Isl. : Puerto Deseado) ; Ridgw. Proc. U. S. 



Nat. Mus. XII. p. 138 (1889: Elizabeth Isl.); James, New List Chil. 



B. p. ID (1892) ; Salvad. Cat. B. Brit. Mus. XVII. p. 373 (1895) ; 



Lane, Ibis, 1897, P- ^95 (Corral, Oct. Nov.) ; Schalow, Zool. Jahrb. 



Suppl. IV. p. 672 (1898: Calbuco, Dec); Sharpe, Hand-list B. I. 



p. 224 (1899); Salvad. Ann. Mus. Genov. (2) XX, p. 633 (1900: 



Penguin Rookery, Feb. : Rio Pescado, May) ; Martens, Hamb. 



Magalh. Sammelr. Vog. p. 25 (1900 : Straits of Magellan : Falkland 



Islands). 

 Microptents niacropterus, Gigl. Viagg. Magenta, p. 934 (1876). 



General description. 



5/j^. — Male adult, no. 8847, P- U. O. C. Rio Negro, Patagonia, Feb- 

 ruary, 1898. (From Museo de La Plata in exchange; original number 25.) 



Total length, about 29 inches. 



Wing, 8.5. 



Culmen, 2.3. 



Tail, 5. 



