PLATE 19 



Steganopodes, continued 



All figures X 100 



Fig. 16. Sula variegata. 



a. Distal barbule from inner vane of remex. 



&. Poximal barbule from same. 



c. Distal barbule from back feather. 



d. Proximal barbule from same. 



Fig. 17. Pelecanus erythrorTiynchus. 



a. Distal barbule from inner vane of remex. 



6. Proximal barbule from same. 



c. Proximal barbule from outer vane of remex. 



d. Distal barbule from breast feather, distal third of barb. 



e. Proximal barbule from breast feather, proximal third of barb. 



Fig. 18. Pelecanus californicus. 



a. Distal barbule from back feather, velvety portion. 



Fig. 19. Phaetlion flaviventris. 



a. Distal barbule from inner vane of remex. 



6. Poximal barbule from same. 



c. Distal barbule from outer vane of remex. 



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



e. Distal barbule from breast feather, near tip of barb. 

 /, Proximal barbule from same. 



[410] 



