Fig. 



64. 





a. 





I. 





c. 



Fig. 



65. 





a. 



Fig. 



66. 



PLATE 29 



Pteroclo-columbae 



All figures, except 67a, X 100 



Columba livia. 



Distal barbule from inner vane of remex, white. 



Proximal barbule from same, white. 



Distal barbule from outer vane of remex, slate gray. 



Zenaidura macroura. 



Distal barbule from olive brown back feather. 



Melopelia asiatica. 

 a. Distal barbule from blue-gray covert. 

 6. Distal barbule from breast feather, pearl gray, 

 c. Proximal barbule from same. 



Columba fasciata. 



Hooklet region of distal barbule from covert. X 480. 



Barbule from iridescent green neck feather. 



Macropygia tenuirostris. 



Distal barbule from rufous under tail covert. 



Osmotreron vernans. 



Distal barbule from olive green covert. 



Goura coroiiata. 



Distal barbule from inner vane of remex, slate blue. 



Proximal barbule from same. 



Distal barbule from back feather, grayish blue. 



Proximal barbule from same. 



Barbule from loose barb of decomposed crest feather. 



Fig. 71. Pteroclis arenarius. 



a. Distal barbule from inner vane of remex. 



6. Distal barbule from outer vane of scapular feather. 



c. Proximal barbule from same. 



Fig. 



67. 





a. 





6. 



Fig. 



68. 





a. 



Fig. 



69. 





a. 



Fig. 



70. 





a. 





d. 





c. 





d. 





e. 



[430] 



