230 PHILOSOPHY OF i^OOLOGY. 



Tail coverts not produced. 



(1.) Throat covered with feathers. 



Cheeks feathered. 



2. Ckax. Bill strong and thick, with a cere at the base. 

 C. alector. 



3. Ortaldia. Bill slender, without cere. Pliasianus 

 motmot, Gm. 



Cheeks naked. 



4. LoPHURA. Tail vertical, with the middle feather 

 arched. Phasianus ignitiis. 



5. LoPHOFERA, Tail horizontal. Phasianus Impyanus. 



(2.) Throat naked. 



6. Penelope. A naked space round the eyes. 



With fleshy or hard processes as a crest. 

 Crest soft and flexible. 



7- Meleagris. Turkey. A conical flexible process in 

 front. M. Gallopavo. 



8. Gallus. Cock. A longitudinal serrated crest. G. 

 domesticus. 



Crest hard. 



9. NuMiDiA. Pintado. Head naked. Cheeks with 

 wattles. N. meleagris. 



10. OuRAX. Head feathered. Crax pauxi. 



(b.) Crown of the head destitute of appendices. 

 In many of the genera, the occipital feathers are a little 

 produced. 



Tarstisjeathered. 



Toes feathered. 



11. Lagopus. Grous. Toes closely feathered above, 

 but plain below. L. Scoticiis and vulgaris. 



