g'^. Tarsus nearly as long as outer 

 posterior toe with claw. 

 g'. Wing rounded, the differ- 

 ence in length between 

 secondaries and primaries 

 about the length of the 

 tarsus. 

 g"^. Nasal shelf narrow; nasal 

 ridge (at the base) nearer 

 to the culmen than to 

 the cutting-edge of the 



mandible 19. Liopicus, p. 289. 



h''. Nasal shelf broad, the 

 nasal ridge (at the base) 

 halfway between the cul- 

 men and cutting-edge 

 of the mandible. 

 g''. Bill shorter, not so long 

 as the head ; chin- 

 angle hiddenby bristles 

 and not extending be- 

 yond anterior edge of 



nasal plumes '20. Dendropicus, 



A". Bill very long, exceed- [p. 293. 



ing the head in length ; 

 chin - angle exposed 

 and extending beyond 

 anterior edge of nasal 



plumes 21. Thbipias, p. 306. 



K'. Wing pointed, the differ- 

 ence in length between the 

 secondaries and primaries 

 as long as the tarsus and 

 outer anterior toe com- 

 bined 22. Iynqipicus, p. .309. 



h^. Tarsus only slightly longer 



than outer posterior toe, 



without claw. 



i^ Nasal ridgeshort and joining 



the cutting-edge of the 



maxilla at a point about 



half the length of the 



latter ; chin-angle on a 



line with the anterior part 



of the nostril 23. Dendrobates, 



f. Nasal ridge longer and [p. 337. 



reaching the cutting-edge 

 of the maxilla at a point 

 nearer to the tip of the 

 maxilla than to its base ; 

 chin-angle considerably in 



advance of the nostril .... 24. Mksopigus, p. 367. 

 d*. First primary extremely long (from 

 l'7o to l'95in.) and far exceeding 

 the length of the culmen. 

 g^. Wing very short and rounded ; 



tail long and equal to the [p. 376. 



longest primary 25. Xiphidiopicus, 



