PLATE 17 



Procellariiformes 



All figures X 100 



Fig. 10. Diomedea exsulans. 



a. Distal barbule from inner vane of remex. 



&. Proximal barbule from same. 



c. Distal barbule from outer vane of remex. 



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



e. Distal barbule from outer third of barb of breast feather. 



Fig. 11. Puffiniis griseus. 



a. Distal barbule from inner vane of remex. 



&. Proximal barbule from same. 



c. Proximal barbule from outer vane of remex, distal third of barb. 



Fig. 12. Oceanodroma melania. 



a. Distal barbule from near tip of barb of breast feather. 

 6. Proximal barbule from same. 



[406] 



