CLASS II, ORDER H. &?* 



Section D. Sills slender, long, more or less arch- 

 ed and tvithout notches. ^^ 



UPUPA, (hoopoe, messenger- bird,) bill arched ; 

 long, slender, convex, a little compressed, some- 

 what obtuse ; nostrils at the base of the bill, small ; 

 tongue obtuse, entire, triangula^ very short ; feet 

 formed for walking. 



CERTHIA, (creeper,) bill arched, slender, some- 

 what triangular, pointed ; tongue various, gener- 

 ally pointed ;, feet formed for walking. 



TUOCHILUS, (humming- Yird^ bill subulate fill- 

 foroi, tubular at the tip, longer than the head ; upper 

 mandible cheating the lower ; tongue filiform, the 

 two threads coalescing, tubular : feet formed for 

 walking. 



Section E. Equal toes, or the outer toe about as 

 long as the middle one. 



MEROPS, (bee-ealer,) bill curved, quadrangular., 

 compressed, carinate, pointed ; nostrils small at 

 the base of the bill ; tongue slender, tip (general- 

 ly) jagged ; feetgres&oval. 



MOMOTUS, (motmot, bill strong, slightly curv- 

 ed, serrate at the edg.es ; nostrils feathered ; tongue 

 feathered ;, tail wedged,; feet gressoral. 



ALCEDO, (king-fisher,) bill triangular, thick, 

 strait, long, pointed ; tongue fleshy,, very short; 

 flat, pointed ; feet (in most) gressoral. 



TODUS, (tody,) bill subulate, depressed, obtuse,, 

 straight, covered at the base with bristles ; nos- 

 trils oval, small ; feet gressoral. 



BucEROS,(hombill*) bill caavex^ curved, sharp- 

 <adged, large, serrate outwardly, with a horny pro- 

 outha upper mandible uear the base ; 



