118 MUSCICAl'ID^. 



of the pvimaries and the tip 



of the tail not as much as 



twice the leng-th of the tarsus. 



)f. OutHiie of bill straight along 



the edges ; culmen much 



hooked 51. Rhinomyias, p. 367. 



o". Outline of bill bowed in to- 

 wards the tip; bill flattened 52. Culicicapa, p. 369. 

 P. The distance between the tips 

 of the primaries and the end 

 of the tail more than twice 

 the length of the culmen ; bill 



arched and rather stout 53. Mviagha, p. 371. 



o*. "Wing rounded, the distance be- 

 tween the primaries and the 

 secondaries not so great as the 

 length of the culmen. 

 vi\ Hind toe equal in length to 

 middle toe (without claws) ; 

 nostrils rounded, and not 



hidden by bristles 64. Pseudobias, p. 386. 



w'. Hind toe less than the middle 

 toe (without claws) ; nostrils 

 quite concealed by bristles. 

 ^/. Bill longer and narrower 

 than the next ; when mea- 

 sured at gape only about 



equal to half the culmen . . 55. Megabias, p. 387. 

 g". Bill very broad, measuring 

 at gape as much as the 



culmen 66. Smithohnis, p. 388. 



t'". Bill extremely broad and flattened 

 on both mandibles; when mea- 

 sured at base of forehead exceed- 

 ing the length of the hind toe 

 without claw ; culmen elevated 

 into a distinct ridge ; wings mo- 

 derately long, falling short of the 

 tail bv more than the length of [p. 390. 



the culmen 57. MACHasnoniiYNCHi'S, 



u'". Bill much narrower, measured 

 across the nostrils less than the 

 hind toe and claw. 

 p*. Nostrils hidden by bristles ; size 



small 58. Ceyptolopha, p. 393. 



jr". Nostrils rounded and exposed. 

 o\ Bill extremely long and thin, 

 the culmen exceeding the 

 length of the middle toe and 



claw 59. SisTJRA, p. 407. 



p^. Bill stouter, the culmen not 

 as long as the middle toe and 

 claw. 

 J-". "With a fleshy eye-Avattle . . 60. Aeses, p. 408. 

 s*^. "VN'ithout an eye-wattle. 

 f. Plumage of head velvet}', 



