

Order II. PASSERES. 



The second Tribe, 



TEIVUIROSTRES, 



have the Bill of various lengths and forms, always slender, and with the tip of the upper mandible entire 

 and usually acute ; the Tarsi short ; the Toes generally long, especially the hind toe, which is strong 

 and armed with a more prominent claw. 



The first Family, 



UPUPID^E, or Hoopoes, 



have the Bill lengthened, slender, curved or straight for its entire length ; the sides compressed to the 

 tip, which is entire and acute ; the Nostrils basal, and rather small : the Wings long and rounded : the 

 Tail more or less long and rounded, or even : the Tarsi strong and usually short : the Toes long and 

 strong ; the outer toe more or less united at its base, the hind toe long ; the Claws strong, long, and 

 curved. 



The first Subfamily, 



UPUPIN.E, or Hoopoes, 



have the Bill long, curved or straight from the base; the culmen keeled, and the sides generally 

 compressed suddenly at the base towards the tip, which is entire and acute ; the Nostrils basal, small, 

 and mostly covered by a membranous scale : the Wings long and rounded : the Tail more or less long, 

 graduated or even : the Tarsi generally short and strong : the Toes long ; the outer toe united at its 

 base, the hind toe long and strong ; the Claws long, strong, curved, and acute. 



Upupa Linn.* 



Bill very long, slender, slightly curved from the base to the tip, which is entire and acute; the culmen 

 keeled, the sides compressed from the base, and the gonys lengthened and curved ; the nostrils basal, 



* Linnoeus established this genus in 1735. It probably embraces Fregilupus of M. Lesson (1831). 



