if *v*Si BIRDS- 



CLASS II. AVES. BIRDS. 



Animals clothed with feathers, and furnished with two 

 wings and two legs. 



A. LAND-BIRDS. 



ORDER I. ACCIPITRES. 



Mill more or less incurved, the upper-mandible either dilated 

 towards the point, or armed with a tooth-like process each 

 side : legs short, with 3 toes forwards and one backwards : 

 toes w arty underneath . 



1. Falco. Bill hooked, covered with a naked cere at 



the base : nostrils placed in the cere : tongue cloven : 

 middle-toe connected with the outermost as far as the 

 first joint. 



2. StRix. Bill hooked, without cere: nostrils oblong, 



covered with recumbent bristles : tongue cloven : 

 head, cars, and eyes large : outmost toe capable of 

 being turned backwards : exterior web of the outer 

 quill-feather serrate. 



3. Lanius. Bill straight, hooked at the end, with a 



tooth each side of the upper mandible near the tip, 

 naked at the base : tongue jagged at the end : outer- 

 toe connected to the middle-one as far as the first 

 joint. 



ORDER II. PIC^. 



Bill sharp-edged, convex above, without the tooth-like process 



on the upper mandible.. 



1 , With 2 toes before and one behind. 



4. Corvus. Bill mostly straight, strong, pointed : nos- 

 *■ trils covered with recumbent bristles : tongue cloven 



at the end : outer-toe connected to the middle-one as 

 far as the first joint. 



5. Cor a ci as. Bill straight, slightly incurved at the 



point : tongue cloven : nostrils narrow, destitute of 

 bristles-: toes all divided to their origin. 



6. Oriolus. Bill conic, a little convex, very acute, 



straight; the upper mandible a little longer, and 

 slightly emarginate : tongue cloven, acute : nostrils at 

 the base of the bill, partly covered : middle-toe con- 

 nected near the base to the outermost. 

 II. Sitta. Bill straight, strong, pointed, the upper 

 mandible a little longer, compressed and angular at 

 the tip : nostrils covered with recumbent bristles : 

 tongue short, with a horny jagged point : middle-toe 

 closely connected to the others at the base ; the back 

 toe as large as the middle-one. 



