KEY TO FAMILIES. — LAND BIRDS. 



u:^ 



Part 2. First primary, more than half as long as third. 



Toes, four, liiud toe not elevated above the rest; nostril, opeulii^ into a soft fleshv nieni- 

 biaiie; tarsus, usually shorter than the toes. 



Family COLUHBID/E. Pigeons and Doves. 

 .See page 155. 



Toes, four, the hind toe elevated above the rest; bill, rather short and stout; wiiij^. short 

 and «omr'\vb:it roinided, the outer primaries curved. 



Family TETRAONID/E. (irouse and Quail. 



(«) Tarsus ffatlu-rod ; wiiiir. oyer '>.')() inches loiij;-. 



Subfamily TETRAONIN/f!. Cirouse. 



{b) Tarsus, Itare; wing, less than "(.HO inches long. 



Subfamily PERDICIN/E. Partridges. Quail. 



Sfc \,:rj.i- 1 I'.t. 



Feet, small and weak; front toes, sometimes webbed at base; jnimaries, ten ; moMlb. large; 

 bill very -m:ill. in ef.mi)arison with si/e of bird; middle toe nail, witii coml>-like edge. 



T 



Family CAPklMUL(ilD>E. Whippoorwills, Night-hawks, etc. 



."-lee page I'.i^. 



