Entire barbules drawn 
PLATE 35 
Types oF Down BARBULES, continued 
drawn enlarged, * 285. 
Fig. 
101. 
Guara rubra. 
Entire barbule. 0b. basal portion. 
Phoenicopterus ruber. 
Entire barbule. b. basal portion. 
Olor columbianus. 
Entire barbule. b. basal portion. 
Mergus americanus. 
Entire barbule. b. basal portion. 
Falco sparverius. 
Entire barbule. 6. basal portion. 
portion. 
[442] 
40; portions of barbules marked in parenthesis 
c. terminal portion. 
c. terminal portion. 
ec. terminal portion. 
ec. distal portion. 
c. middle portion. 
d. terminal 
