110 KEY TO FAMILIES OF LAND BIRDS 



P""~, 2. Bill long, cutting edges smooth . Cuculidae : 



Z. liill long, 



3 Road-runners, Cuckoos, etc., p. 193. 



Fig. 140. 



2.' Bill short, cutting edge toothed. Trogonidae : 



Trogons, p. 197. 



ORDER PICI: WOODPECKERS. 



Toes 3 or 4, only 2 in front ; 

 bill chisel-like ; tail fea- 

 thers stiff and pointed. 



Ficidae : 

 Woodpeckers, p. 200. 



_ Fig. 143. Fig. 144. 



Fig. 142. 



ORDER MACROCHIRES: GOATSUCKERS, 

 SWIFTS, AND HUMMINGBIRDS. 



1. Bill long and slender, gape not deeply cleft. Trochilidae : 



Hummingbirds, p. 232. 



1'. Bill short, wide at base, gape deeply cleft. 



Fig. 146. 



2. Plumage moth-like, lax ; middle toe long, and 

 inner edge toothed . Caprimulgidae : 



Goatsuckers, p. 222. Fig. 147. 



2'. Plumage compact, middle toe normal, not , 



toothed Micropodidae : ^ 



Swifts, p. 229. 



Fig. 148. 



ORDER PASSERES: PERCHING BIRDS. 1 



Toes 4, 3 pointing forward, 1 back ; ^^ all on the same level and 



never united for half their length, '"fe^^s* 



Fig. 149. 



1. Inner toe with basal phalanx united to that of middle toe. 



Cotingidae : Cotingas, p. 245. 



1'. Inner toe with basal phalanx not united to that of middle toe. 

 2. Back of tarsus rounded. 



3. Hind claw longer than its toe and straight; 



p. 265. 



4 bill rounded, not hooked at tip. 



i > Alaudidce : Larks, 



Fig. 160. Fig. 151. 



1 See Field Color Key, p. 479. 



