Bykind permission of Mr. Paul Roighard, University of Michigan. 



Whitefish arm (shown in Wiuk). 



I AKli icuriv. 



)iMtii> (Hr«liU€<l (r«>iil I'. S. Ilyilr.krii hi. "Ul.t. . h.irt 

 1 in. .iIh'III So iniU-n.) 



By kind permission of Mr. Paul Keighard, University of Michigan. 



