SHARKS, SKATES, RAYS, AND CHIMAERAS 



By 



J. R. Thompson and Stewart Springer 



FISH AND WILDLIFE C'RCULAR 119 



BUREAU OF COMMERCIAL FISHERIES, Donald L. McKernan, Director 

 FISH AND WILDLIFE SERVICE, Clarence L. Pautzke, Comm,ss/oner 



UNITED STATES DEPARTMENT OF THE INTERIOR, Stewart L Udall, Secretary 



UNITED STATES GOVERNMENT PRINTING OFFICE* WASHINGTON • 1961 



