PLATE 22 



Falconiformes 



All figures X 100 



Fig. 33. Gyps fulvus. 



a. Distal barbule from back feather. 



6. Proximal barbule from same. 



c. Distal barbule from outer vane of primary. 



d. Proximal barbule from same, distal third of barb. 



Fig. 34. Gymnogyps calif ornianus. 



a. Distal barbule from inner vane of remex. 



6. Same, with pennulum in lateral view. 



c. Proximal barbule from inner vane of remex. 



d. Distal barbule from outer vane of remex. 



e. Proximal barbule from same, distal third of barb. 



Fig. 35. Gypogeranus serpentarms. 



a. Distal barbule from blue-gray scapular feather. 



6. Proximal barbule from same. 



c. Distal barbule from inner vane of remex. 



d. Proximal barbule from same. 



[416] 



