PLATE 15 



Sphenisciformes 



Figs. 6a, c, e, X 100. Figs 6&, d, and 7a, 6, X 185 



Fig. 6. Aptenodytes pennanti. 



a. Distal barbule from near base of barb of back feather. 



6. Same. X 185. 



c. Proximal baroule from near base of barb of back feather. 



d. Same. X 185. 



e. Portion of barb from aftershaft. 



Fig. 7. Eudyptes chrysocome. 



a. Distal barbule from near base of barb of back feather. 

 6. Proximal barbule from same. 



[402] 



