PLATE 17 



Fig. 3. Proximal barbule from middle of inner vane of third primary. 

 Note the stout base, the narrow dorsal recurved edge, the narrow, pointed, 

 ventral lobes, and the distinct nuclei. X 160. 



Fig. 4. Distal barbule from middle of inner vane of third primary. 

 Note the short base, the very long tip, the three short, stout, ventral lobes, 

 the four moderate hooklets, and the well-developed barbicels. X 160. 



Fig. 5. Proximal barbule from middle of outer vane of third primary 

 proximal to the incision. Note the long, slender base, the narrow dorsal 

 edge, the sawlike ventral lobes, and the single series of well-formed 

 barbicels. X 160. 



Pig. 6. Distal barbule from middle of outer vane of third primary, 

 proximal to the incision. Note the general short stout form, long ventral 

 barbicels and hooklets, and rudimentary dorsal barbicels. X 160. 



[370] 



