326 TiiiELiiDJi:. 



v. Legs more powerful, the 



hind toe and claw equal to 



more than half the tarsus. 



c'. Bill shorter and stouter, 



when measured from 



gape equal to hind toe 



and claw 6. Htlacola, p. 346. 



d?. Bill longer and more 

 slender, when measured 

 from gape exceeding 

 length of hind toe and 



claw 7. Ch^tops, p. 347. 



6*. Tail strongly graduated, the dis- 

 tance between the outer and 

 inner tail-feathers as much as, or 

 more than, the length of the tarsus. 

 c'. Wing very much rounded, the 

 secondaries nearly equal in 

 length to the primaries, the dis- 

 tance between them less than 

 the culmen. 

 c'. BUI without a notch in the 

 upper mandible. 

 c'. Nostrils exposed. 



e^. With a large crest ; nos- 

 ti-ils ovate, with distinct 



operculum 8. Psophodes, p. 350. 



/*. With no strongly pro- 

 nounced crest. 

 a^. Nostrils with a distinct 

 operculum ; bill very 

 long and exceeding 

 length of middle toe 



and claw 9. Hypeegertjs, p.- 351. 



6'. Nostrils rounded, with 

 a small operculum ; 

 rictal bristles very di- 

 stinct; bill moderate, 

 the culmen not ex- 

 ceeding the length of 

 the middle toe and 



claw 10. Babax, p. 352. 



<r. Nostrils absolutely hidden 

 by plumes and bristles ; 

 bill curved, the culmen 

 lower than the hind toe 



* and claw 11. Pteeorhixijs, 



d\ Bill with a notch. [p. 353. 



e'. Nostrils nearly covered with 

 bristles ; nasal opening 

 longitudinal, with a large 

 operculum ; rictal bristles 

 soft and long. 

 g^. Feathers of head ordinary, 



without stiifened shafts. 12, Tkochaiopteeum, 



[p. 354. 



I 



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