Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
28. 
ae 
PLATE 21 
ANSERIFORMES AND PHOENICOPTERI 
All figures, except 28a and b, * 100 
Anas platyrhynchos. 
Basal portion of barb from inner vane of primary. X 8. 
Portion of ventral part of basal region of barb, from outer vane 
of primary. X 120. 
Distal barbule from inner vane of remex. 
Proximal barbule from same. 
Distal barbule from outer vane of remex. 
Proximal barbule from same, distal third of barb. 
Distal barbule from outer vane of tail feather. 
Proximal barbule from same, distal third of barb. 
Distal barbule from outer vane of violet speculum feather. 
Nettion carolinense. 
Distal barbule from outer vane of primary. 
Distal barbule from outer vane of green speculum feather. 
Proximal barbule from same, distal third of barb. 
Mareca americana. 
Distal barbule from outer velvety black vane of scapular feather. 
Chauna cristata. 
Distal barbule from outer vane of remex. 
Proximal barbule from same. 
Phoenicopterus ruber. 
Distal barbule from inner vane of remex. 
Proximal barbule from outer vane of remex, distal third of barb. 
Proximal barbule from scapular feather, distal half of barb. 
[414] 
