KEY TO THE HIGHER GROUPS. 3 
with only 9 primaries and tail-feathers 
12 in number. 
i. Toes only 2 in front, or if 3, the 
middle and outer toes con- 
nected for at least half their 
Jength. 
U. Tail-feathers stiff and more or 
less pointed, and bill more 
or less chisel-like. 
Order Pici. (Page 280.) 
?. Tail-feathers neither stiff nor 
pointed, and bill not chisel- 
like. 
Order Coccyges. (Page 271.) 
. K. Toes 3 in front, 1 behind, the middle 
and outer toes not united for 
half their length, lower part of 
thighs feathered, and tarsus equal 
to or longer than lateral toes. 
Order Passeres. (Page 321.) 
