FAMILY TKOCHILID^E. HUMMING-BIRDS. 



199 



FAMILY niCROPODID^E, 

 Swifts. 



General plumage, sooty brown, showing a faint greenish tinge on the upper 

 parts; throat, ashy white; tail feathers, with sharp spines, or points formed 

 by the shafts of the feathers, extending beyond the webs. The Swifts are 

 widely separated geuerically from the Swallows ; but persons unfamiliar with 

 birds might look for them under the same family. 



Chimney Swift. 



Chcetura pelagica. 



See No. 340. 



FAMILY TROCHILID^E. 

 Humming-birds. 



Smallest of Birds. Wing less than 1.75 inches long 



(carpus to tip). 



Throat, ruby red; back, golden green 

 (male) ; no red on throat (female 

 and young male). 



Ruby-throated Humming-bird. 



Trochilus Colubris. 



See No. 341. 



