CEATEEOPODES. 327 



A'. Feathers of head with 



stiffened shafts 13. Acanthoptila, 



/'. Nostrils nearly hidden by [p. 380. 



bristles, rounded and ex- 

 posed in front; bill long, 

 exceeding the hind toe 



and claw 14. Ianthocincla, 



g'. Nostrils exposed, rounded, [p. 382. 



with a posterior opercu- 

 lum ; rictal bristles stiff 



and very long 15. Gampsoehyxchtjs, 



rf'. Wing not so much rounded, the [p. 336. 



distance between the primaries 



and the secondaries as great as 



the length of the culmen. 



e'. BiU stout and strongly cm'Ted ; 



operculum of the nostril stout 



and swollen 16. Aegya, p. 388. 



/°. Bill slender, the culmen not 

 so strongly decurved ; oper- 

 culum of the nostrils not so 



developed 17. MEGALtTRULUs, 



6'". Wing rather more pointed, the dis- [p. 400. 



tanee between the first and the 

 second primaries about equal to or 

 greater than the tarsus. 

 c*. Tail only slightly rounded ; no 



rictal bristles 18. Pinarorxis, p. 401. 



d^. TaU strongly graduated ; rictal 

 bristles evident, 

 e'. Tail more than once and a half 



length of wiug 19. Sibia, p. 401. 



/°. Tail only a trifle longer than 



wing 20. Malacias, p. 403. 



h" . Wing equal to or longer than the 

 tail, 

 c'". Bill long, the culmen longer than 

 the tarsus, 

 e'. Bill moderately curved and stout. 21. Pomatoehinus, 

 /■*. Bill very thin and long and greatly [p. 408. 



curved 22. XiPHOEHAMPHrs, 



d'". Tarsus much longer than the cul- [p. 433. 



men. 

 g^. Nostrils rounded, pierced in the 

 anterior part of the nasal depres- 

 sion, and nearly hidden by plume- 

 lets ; a faU crest. 

 g^. Nostrils rather exposed, the over- 

 hanging bristles scanty; rictal 

 bristles strong, but not reach- 

 ing far beyond nostrils ; out- 

 stretched feet not reaching to 



end of tail 23. Gahrulax, p. 434, 



A'. Nostrils hidden by plumes; rictal 

 bristles very strong and reach- 

 ing beyond nostrils ; out- 



