1. RALLUS. 19 



(L Ail.sk. Snn Lucas, Ecuador (f. /iZ/c/./^y). Rah in-rioflman Coll. 



f. .\d. sk. Intaj, J'^ciirtdor (C. lluihlctj). Sidviii-'iiKliiiaii L'cdl. 



/. .\d. sk. Lima, Peru ( W. Xcttion). yalvin-Uodtiiau Coll. 



5. Eallus semiplumbeus. (Plate IIL) 



Ralla8 spniiplumbcus, Scl. P. Z. .S'. IS-'jO, p. .'31 ; ^chl. Mm. Pays- 

 lias, Kalli, p. 1 1 (18fir)) : Scl. ^- Salt: P. Z. .V. 180'^, p. 44.5 ; iid. 

 Nuinencl. A v. Neutr. p. loi) (1873) ; Pelz. Il,i.^, 187^j, p._ 332 (be- 

 tween Kio Xegro and Orinoco) ; Taczan. Orn. Peron, iii. p. 314 

 (1884). 



A ramus semiplumbeus, Gray, Iland-l. B. iii. p. 59, no. 10421 

 (ISC,!)). 



Limnopardalis semiplumbeus, Heine S,- Peiclieti. Xoincncl. Mus. Hem. 

 p. 321 (1890). 



Adult. Similar to 7^. viiyinian us on the upper surface, and having 

 the same chestnut Avings, but differing in the colour of the under 

 surface, which is slaty grey like the sides of the face ; lower flanks 

 and feathers of the vent black, with sandy tips ; the long under 

 tail-coverts white, with subterminal spots of black, some of the 

 feathers black along the inner web; sides of the upper breast uni- 

 form olive-brown. Total length 0-5 inches, culmeu l-o5, wing 4-;}, 

 tail 1-75, tarsus 1-5, middle toe and claw 1'8. 



I/ab. Colombia. 



a, I), c. Ad. sk. Bogota. Salvin-Godman Coll. 



d. Ad. sk. Bogota. P. L. Sclater, Lsq. [P.]. 



(Type of species.) 



C. Eallus antarcticus. 



IJnlliis antarcticus, Kim/, Zuol. Journ. iv. p. 95 (1828) ; Scl. P. Z. S. 



1867, p. 333 (Chili) ; id. 6,- Sale. P. Z. S. 1868, p. 44.5 ; iid. Nomencl. 



Av. Xeotr. p. 139 (1873) ; iid. P. Z. S. 1878, p. 437 (t^andy Point) ; 



iid. Hep. Voy. ' Challcnyer,' ii. JJirds, p. 108 (1880) ; Barroivs, 



Auk,\. p. 27U (1884); Withinytvu, litis, 1888, p. 471 (Lomas de 



Zamora); Scl. i^- Huds. Aiyent. Orn. ii. p. 148 (1889); Oust. 



Miss. Sci. Cuj) Horn, Ois. p. 13-3 (1891 : Punta Arenas) . 

 Uallus rufopeunis. Gray, Lint GralloB in Brit. il/M«. p. IIG (1844 : 



descr. nullil). 

 Ortygonietra antarctica, Gray, Gen. B. iii. p. 594 (1846). 

 Uallus uliginosus, lulippi, Arch. Xaf. 1858, p. 83 (Santiago). 

 .\ramus antarcticus. Gray, Haiid-l. B. iii. p. 59, no. 10420 (1871). 



Adult. Similar to Ii. vinjinianus on the upper surface, but much 

 paler, especially on the scai)uhu-s and inner secondaries, which have 

 broad sandy-brown margins; the sides of the face and under sur- 

 face of body grey; the flanks blackish barred with white; the 

 feathers of the vent black with sandy margins ; the long under 

 tail-coverts entirely white ; under wing-coverts white with dusky 

 bases ; axillaries blackish, distinctly barred with white ; sides of 

 breast brown, streaked with black like the sides of the neck : "upper 



c2 



