458 ANATID^. 



1. Merganetta frsenata, sp. n. (Plate V.) 



Adult male. Similar to the male of M. armata, but differs in 

 having a black band over and before the eyes joining the black of 

 the pileum, so that on the lores, anteriorly, there is a triangular 

 white patch completely separated from the white superciliary stripe ; 

 the lower parts are of a paler reddish than in M. armata, and the 

 feathers with broader mesial black stripes ; lower abdomen and 

 under tail-coverts Idackcr. Total length about IS inches, wing 7, 

 tail 4'4, culmeu 1'2, tarsus I'G. 



Female. Unknown. 



Hah. Chili, but the exact locality unknown. 



a. d ad. sk. Central Chili. H. Berkeley James, Esq. [P.]. 



(Type of the species.) 



2. Merganetta armata. 



Anas ?, Bridges, P. Z. S. 1841, p. 95 (Andes of Chili). 



Merganetta armata, Gould, P. Z. S. 1841, p. Oo (Andes of Chili) ; 

 Frafier, P. Z. S. 1843, p. 119 ; G. P. Gr. List B. Brit. Mus. iii. 

 p. 148 (1844); Graij ^- Mitch. Gen. B. iii. p. 628, pi. 170 ( rj ) 

 (1844) ; Rchnb. Si/n. Av., Natatores, t. 78. f. 897 (1845) (e.r Gr. Sr 

 Mitch.) ; Des Murs, Icon. Orn. pi. 48 ( $ , ChiH) (1847) ; G. R. Gr. 

 Gen. B., App. p. 28 (part.) (1849); Rchjib. .Sy«. ^4y., Natatores, 

 t. 79. ff. 3223-24 (1850) ; id. Av. 8yst. Nat. p. ix, tab. vi. (1852) ; 



Cass. U.S. Astron. E.vped. ii. p. 204 (1856) : Sclat. P. Z. S. 1867, 



p. 340 ; Sclat. ^ Salv. Exot. Orn. p. 200 (1869) ; Eyt. Syn. Anat. 



p. 140 (part.) (1869); G. R. Gr. Hand-list, iii. p. 90, n. 10725 



(1871); Sclat. ^- Salv. Kotnencl. Av. Neotrop. p. 131 (1873); iid. 



P. Z. S. 1876, p. 406 ; Sclat. P. Z. S. 1880, p. 530 ; Crawford, 



.icross the Pampas and Andes, pp. 235, 236 (1884) ; Berk. James, 



Netv List Chil. B. p. 10, n. 163 (1892). 

 Rapbipterus chileusis, Gay, Atlas Hist. fs. y polit. de Chile, pi. — 



(1844). 

 Merganetta chilensis, Des Murs, Icon. Orn. pi. 5 (c?) (1845) ; Eyt. 



Syn. Anat. p. 141 (syn. emend.) (1869). 

 Rhaphipterus chilensis, Des Murs, in Gaifs Hist, de Chile, Zool. i. 



p. 459 (1848) ; Phil. ^- Landh. Cat. Av.' Chile, p. 43 (1868). 

 Biziura armata, Schleg. Mas. P.-B., Auseres, p. 12 (svn. emend.) 



(1866) ; Gieb. Thes. Orn. i. p. 467 (syn. emend.) (1872). 

 Rhaphipterus armatus, Sundev. Meth. nat. Av. disp. Tent. p. 150 



(1872); Rchnw. Orn. Centralbl. 1882, p. 3; id. Vog. zool. Gdrt. 



p. 42 (1882); Hein. S,- Rchnw. Norn. Mns. Hein. Orn. p. 350 



(1890). 



Adult male. Head and neck white ; crown, a stripe along the 

 middle of the hind neck, two bands starting behind the eyes and 

 running down on the sides of the hind neck, anterior part of the 

 cheeks, throat and breast deep black ; a superciliary stripe confluent 

 on the occiput and a triangular patch on the lores white ; feathers 

 of the back and scapulars long and narrow, black along the middle 



