UNITED STATES DEPARTMENT OF THE INTERIOR, Oscar L. Chapman, Secretary 

 FISH AND WILDLIFE SERVICE, Albert M. Day, Director 



FLOUNDERS OF THE GENUS PARALICHTHYS 



AND RELATED GENERA IN 



AMERICAN WATERS 



By Isaac Ginsburg 



FISHERY BULLETIN 71 



From Fishery Bulletin of the Fish and Wildlife Service 



VOLUME 52 



UNn ED STATES GOVERNMENT PRINTING OFFICE • WASHINGTON: 19 5 2 



For sale by the Superintendent of Documents, U. S. Government Printing Office, \\'ashington 25, D. C. 



Price 60 cents 



