of ike United iSiaie*. 15 



ANALYTICAL TABLE 

 OF THE NORTH AMERICAN GENERA. 



ORDER ACCIPITRES. 



Family Vulturini. 

 Genus 1. Cathartes. 



Family Rapaces. 



2. Falco. Eyes lateral : cere obvious. 



3. Strix. Eyes in front: cere concealed. 



ORDER PASSERES. 



TRIBE I. SCANSORES. 

 Family Psittacini. 



4. PsiTTACUS. 



Family Amphiboli. 



5. Coccyzus. 



Family Sagittilingues. 

 G. Picus. 



TRIBE II. AMBULATORES 



^ Feet gressorial. 



Family Angulirostres. 



7. Alcedo. 



§§ Feet ambulator} \ 

 Family Gregarii. 



8. Sturnus. Bill straight, depressed, obtuse ; edges 



vertical. 



9. Icterus. Bill straight, compressed, acute ; edges 



inflexed. 



10. Quiscalus. Bill cultrate, bare. 



1 J . Corvus. Bill cultrate, covered at base with seta- 

 ceous incumbent feather?. 



