﻿76 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 



78 



Fig. 84. — A linback on the slip. Note corrugations in the skin of the 

 throat which probably permit great expansion during feeding. The spots 

 on the chin at (a) indicate the positions of short bristles, the last remnant 

 of a hairy coat. (Photograph by L. M. Huey.) 



P'iG. 85. — Roof of the mouth, showing baleen plates, and bony part of lower 

 jaw of a finback, after the corrugated portion of the throat, shown in figure 84, 

 had been removed. (Photograph by L. M. Huey.) 



