340 rTKRorTornm.T;. 



3. Scytalopus senilis. 



Menikxis senilis, Lafr. Jivv. Zuol. 1840, p. 10.3 ; id. Confr. Oni. 



1851, p. 149. 

 Scvtalopus senilis, ScK P. Z. S. 1855, p. 14l' (Bogota) ; id. Ibis, 1874, 



p. 194 (Colombia). 



Nearly uniform dark ashy grey, rather paler heneath ; bill and 

 feet brown ; tail more lengthened than in S. mar/ellanicus : whole 

 length 5 inches, wing 2-2, tail 2-4. Female or younr/. Taler, espe- 

 cially on the breast, and feathers of back, wings, rump, flanks, and 

 lower belly edged with brownish. 



Ilab. Colombia. 



a. Ad. St. S. America. Purchased. 



b. Ad. ; c. Jr. sk. Bogota. Sclater Coll. 



d. Ad.; e. Jr.sk. Bogota. Salvin-Godman Coll. 



/. Ad. ; ff. Jr. sk. Bogota. Jardine Coll. 



4. Scytalopus obscurus. 



Sylvia obscura, K'uf/, Zool. Journ. iii. p. 429 (1828). 



Scytalopus obscurus, Gaij, Faun. Chil. i. p. 808 (1847) ; Phil. An. 



Univ. Chil xxxi. p. 255 ; iSW. Ibis, 1874, p. 194 (Cbih). 

 Merulaxis fuscoides, Lafr. Cunfr. Orn. 1851, p. 149. 

 Scytalopus fuscoides, Scl. P. Z. S. 18G7, p. 325 (Chili) ; Scl. et Salv. 



Nomencl. p. 7G. 



Nearly uniform cinereous ; I'ump, flanks, and lower belly brownish, 

 crossed by narrow black cross bars : bill horn-colour ; feet yellow : 

 whole length 5 inches, wing 2, tail 1*6. 



Hah. Chili. 



This species is easily distinguishable from 8. mageUanicus by its 

 larger size, more cinereous colour, longer tail, and the faint bars 

 across the rump and lower belly. Its vernacular name in Chili is 

 " Chercan," according to Philippi and Landbeck, whereas S. magel- 

 lanicus is called " Chercan negro." 



ft, b- 6 2 ^^- s^- Santiago, Chili {Landbeck). Sclater Coll. 



5. Scytalopus griseicollis. 



Merulaxis griseicollis, Lafr. liev. Zool. 1840, p. 103; id. Confr. Orn. 



1851, p. 149. 

 Scytalopus griseicollis, Scl. P. Z. S. 1854, p. Ill (Ecuador), et 1855, 



p. 142 (Bogota); id. Cat. A. B. p. 108; id. Ibis, 1874, p. 195 



(Colombia) ; Scl.et Salv. JVomencl.Tp. 76; iid. P. Z. S. 1875, p. 235 



(Venezuela). 

 INIegalonyx nanus, Less. Rev. Zool. 1842, p. 1.35 (?). 

 Merulaxis squamiger, Lafr. Rev. Zool. 1840, p. 103; id. Confr. Orn, 



1851, p. 150(?). 

 Scytalopus squamiger, Scl. P. Z, S. 1855, p. 142 (Bogota). 



Above cinereous ; back, wings, and tail brownish ; rump passing 

 into light rufous : beneath paler cinereous, more whitish in the 

 middle ; flanks and crissum pale rufous like the rump ; bill horn- 



