25 
17, Tail feathers ending in sharp 
spines. 
Chimney Swift He A ANAL pans ha nines cre cal! Ghee bees ae 
18, Bill very slender and awl-shaped. 
Exceedingly minute birds. 
FAMIETEI DUR ES ON aha! cial wale le a haps Spa eeneeT a oF a» Liao 8 cha 
n, Feet, medium-sized or small, but not 
noticeably weak, flabby, or loose 
jointed. Legs covered with scales 
or plates. 
19, Two toes in front, either one 
or two directed backwards. Bill 
chisel-shaped at tip. 
OH PCEET Se hic PO hoes detie 5a es Sap ayl hs # opener) iota rao eae 
20, Three toes in front; hind toe as well 
developed and as long as middle toe; 
claw on hind toe usually as long as 
or longer than that on middle toe. 
TEC TENE NI HN TNT ROAR, FAC LORE 20? OR a. a YET PRT 
Bill wider than high at base; 
tip slightly hooked. 
ENE PTE EG ESS ia NOS TS ER ie 
Note ear tufts and long hind 
toe nail. Longspur and 
Pipit only other species 
having latter feature. 
Horned ‘Dark... .. ick Sta a IAG ester. S ig casted oe a 
