Icmotrs of tbt fftuseunt of Comparattbe 



AT HARVARD COLLEGE. 

 VOL. X. No. 4. 



REVISION OF THE ASTACIDvE. 



BY WALTER FAXON. 



PART I. THE GENERA CAMBARUS AND ASTACUS. 



LI BR 



WITH TEN PLATES. 





CAMBRIDGE: 



fat tlje ilflustum. 

 AUGUST, 1885. 



