SVLV1ID.E. 349 



/"'. Supplementary bristles very strong and 

 numerous, extending up to the cul- 

 men, and lying over the nostrils as 

 far as the middle of the bill ; bill large 



and wide at base ACANTHOPNEUSTK, 



y'". Supplementary bristles very strong and [p. 411. 



numerous, extending up to the cul- 

 men, and lying over the nostrils nearly 



as far as tip of bill , , CRYPTOLOPHA, 



b. Tail of ten feathers. [p. 421. 



c. Tail not subject to variation in length accord- 

 ing to season ; obsoletely or not at all cross- 

 rayed; less graduated, the tips of the outer 

 tail-feathers reaching beyond the middle 

 of the tail by more than "the length of the 

 hind toe. 



e". AVing and tail of about the same length. 

 &'". Nostrils overhung by long hairs. 

 e l . Tail very slightly rounded, the outer 

 feathers falling short of tip of tail 

 by less than the length of the hind 

 toe. 



e 5 . Rictal bristles of great length, 

 nearly as long as culinen j wing 

 rather longer than tail. 



e G . Bill short and pointed ABRORNIS, p. 428. 



f*. Bill long and very blunt TICKELLIA, p. 431. 



f\ Rictal bristles moderate, about 

 half length of culmen ; wing 



rather shorter than tail SCOTOCERCA, p. 432. 



/*. Tail considerably rounded, the outer 

 feathers falling short of tip of tail 

 by more than length of hind toe . . NEORNIS, p. 433. 

 *""'. Nostrils not overhung by hairs. 



</'. Supplementary bristles in front of 

 rictal bristles ; feathers of forehead 



with lengthened shafts HORORNIS, p. 434. 



A 1 . No supplementary bristles in front of 

 rictal bristles ; feathers of forehead 

 short, smooth, with shafts not pro- 

 duced. 

 <f. Bill as long as head, broad, blunt, 



and narrowing gradually PHYLLERGATES, 



h\ Bill only half the length of the [p. 439. 



head, slender, sharp, and narrow- 

 ing rapidly. 



(f. Outer tail-feathers falling short 

 of tip of tail by length of 



tarsus HOREITES, p. 440. 



h 6 . Outer tail-feathers falling short 

 of tip of tail by length of hind 



toe only CETTIA, p. 441. 



/". Tail about half length of wing UROSPHENA, p. 442. 



d'. Tail subject to variation in length according 

 to season ; distinctly cross-rayed ; greatly 

 graduated, the outer feathers in most cases 



