20 PEOCEEDINaS OP THE GEOLOGICAL SOCIETY. 



AWARDS OF THE BIGSBY MEDAL, 



FOUNDED BY 



Db. J. J. BIGSBY, F.K.S., F.G.S. 



To be awarded biennially " as an acknowledgment of eminent services 

 in any department of Geology, irrespective of tlie receiver's country ; 

 but he must not be older than 45 years at his last birthday, thus 

 probably not too old for further work, and not too young to have done 

 much." 



1877. Professor 0. 0. Marsh. | 1879. Professor E. D. Cope. 



