346 rxKKori'ucuiD.K. 



Megalouyx rubecula, (VOrh. et Lafr. 8ijn. Av. i. p. 10. 

 Leptonyx rubecula, d'Orh. Voy., Ois. p. 190. 

 Megaloiiyx rufogularis, d'Orb. op. cit. pi. vii. fig. 3. 



Above mouse- brown ; wings and tail somewhat rufescent ; lores 

 and supcrciliaries light rufous : beneath, chin, throat, and breast 

 bright rufous ; abdomen plumbeous, with numerous irregular black 

 cross bauds which have whitish interspaces ; flanks and crissum 

 fulvous ; bill blackish ; legs brown : whole length O'o inches, wing 

 2-9, tail 2-7. Female similar, but smaller. 



Hah. Southern Chili. 



a. Ad. sk. Chili. Sclater Coll. 



■h.iv.aV. GmxiPhiUppi). Sclater Coll. 



f, d. S 2 ad. sk. Chili {Li'i/Zio/d). Salviu-Godman Coll. 

 f,/. Ad. sk. Chili (Heed). Salvin-Godmau Coll. 

 ff. Ad. sk. Chili. C. Darwin [P.]. 



h. Ad. sk. Chili. Purchased. 



?. Ad. sk. Chili (C«^;^ A'my). Eyton Coll. 



2. Pteroptoclius albicoUis. 



Pteroptochus albicollis, Kitfl. Mem. Acad. Sci. St. TMersh. 1831, 

 ]). 180, pi. iii. ; Danvin, Zool. Voy. 'Beagle,' iii. p. 72; Bridges, 

 F.Z.S. 1843, p. Ill (Cliili); Gay, Faim. Chil. i. p. 303 ; Bp. 

 Consp. i. p. 205 ; Cah. et Hein. Mus. Hein. ii. p. 21 ; Burm. J.f. O. 

 1800, p. 251 (La Plata) ; id. La Blata-Reise, ii. p. 471 ; Scl. Cat. 

 A. B. p. 169 ; id. P. Z. S. 1867, p. 325 (Chili) ; id. Ibis, 1874, p. 201 

 (Chili) ; Phil. An. Univ. Chil. xxxi. p. 254 ; 8el. et Salv. Nomeiicl. 

 p. 76; Garrod, P. Z. S. 1876, p. 510, et 1877, p. 451; 8har2Je, 

 P.Z.S. 1881, p. 8 (ChiU); Forbes, P. Z. S. 1881, p. 436; Salv. 

 P. Z. S. 1883, p. 425 (Chili) ; Scl. et Huds. Ary. Orn. i. p. 207, 



Megalonyx albicollis, d'Orb. et Lafr. Syn. Av. i. p. lo. 



Leptonyx albicollis, dOrb. Voy., Ois. p. 196, t. viii. fig. 2. 



Megalonyx medius, Less. III. de Zool. pi. 00. 



Above mouse-brown ; rump more rufescent and with obsolete 

 black cross bars ; wings and tail washed with rufous ; lores and 

 superciliaries while : beneath dirty white ; lower belly and flanks 

 brown ; breast and belly crossed with irregular narrow black bands ; 

 bill and feet black : whole length 7*8 inches, wing 3, tail 3-3. 

 Female similar, but rather smaller. 



Hah. Central and Northern Chili and Western Argentina. 



This species replaces its congener in Central and Northern Chili. 

 Its sternum has been figured by Eyton (Osteologia, pi. xiv. fig. 2), 

 who also first described its osteology and anatomy (Zool. Voy. 'Beagle,'" 

 iii. p. 151). 



a,b. S ad. >k. Santiago, Chili (Leybold). Salvin-Godman Coll. 



c. c? ad. sk. Cnquimbo, Chili ( Cc(/;y)/w_(7cr). Salvin-Godman Coll. 



d. J ad. sk. Coquimbo, ChiH. l)r. Coppinger [C.]. 



e. c? ad. sk. Coquimbo, Chili (Murkham). Salvin-Godman Coll. 

 /. $ ad. sk. Chili (Reed). Sclater Coll. 



g. Ad. sk. Chili. Sclater Coll. 

 A, i. Ad. sk. Chili. Purchased. 



