TROGLODYTINM?. ]^g]^ 



a'. Xostvil linear, and shut 

 in by an overliangin;^ 

 membrane; ciilmen 



,. ^S^^^f/ ^""o'^i" 3i. Urocichla, p. 203 



o . Aostril also somewhat 

 linear, and havino- an 

 oval opening beliiud, 

 shut in by a thickened 



,. ,,. , „ membrane 35. Spel^ornis, p. 264 



a\ Middle toe and claw longer 

 than hind toe and claw ; outer 



in, ^ ., ^'^^ longer than inner one 36. Salpinctes, p. OQQ 



. 1 ail shorter, one third of the entire 

 length of the bird; nasal aperture 

 a narrow longitudinal slit, entirely 



v> n 1 ^'"'^"l V a membrane '. 37. Axortituha, p. 2G8. 



d . Culmen longer than the tarsus 38. Catherpes, p 280. 



c. iail quite long, exceeding the winir by 

 more than the length of the tarsus T bill 

 conical and pointed, the culmen and gonys 

 both perfectly straight ; the nostril a nar- 

 row slit shut in completely by a horny 

 membrane which overhangs the anterior 



, rrl^^^'^V,- ■ ■ •• :,•••■•. •'^^- Sphexocichla, 



a. iau short, the wing exceedinsr it by more Tn 98S 



than the length of the hind toe and '-^' " 



claw. 

 e". Tarsi scutellated in front. 



c'". Bill moderately long, but much 



shorter than the tarsus. 



c*. Bill only moderately compressed, 



as broad as it is high at the 



nostrils. 



e'. Nostrils overhung by a meni- 



^ ->ane ■. 40. UROP.SILA, p. 284. 



/^ i\ ostnls round and open, situated 

 in the anterior part of the 



. i^asal fossa 41. Henicohhixa, 



a . Bill high and compressed, much [p. 285. 



higher than it is broad at the 

 nostrils ; the latter small and 

 circular, situated in the middle 



. of the nasal membrane 42. Ctphorhinus, 



d'". Bill very long, about equal to the [p. 289. 



tarsus in length, and about equal 

 in height and breadth at nostrils; 

 the latter comma-shaped, the tiil 

 of the comma pointing forwards, 

 slightly overhung by a mem- 



brane " 43. Microcerculus, 



/". Tarsi plain in front. [p, 295. 



e"'. Tail invisible, completely hidden by 

 the tail-coverta and feathers of the 



rump 44. Pxoeptga, p. 301. 



f". Tail visible, not hidden by the tail- 

 coverts ' 45. Ci.\-CLUS, p. 306. 



