Acknowledgments 



We appreciate the help, encouragement, and support of Dr. 

 M. H. Schreiber, Department of Radiology, University of T'exas 

 Medical Branch, as well as his comments on preparation of this 

 paper. We also wish to thank Dr. Robert Perry, Department of 

 Radiology, UTMB, for his assistance in taking and calculating 

 the radiation doses, and Dr. Raymond Sis, School of Veterinarv 

 Medicine, Texas A&M Universitv, College Station, Texas, for his 

 review and constructive criticisms of the manuscript. 



The Atlantic ridley turtles ( Lepidochelys kempi ) were 

 hatched and supplied to the Galveston Laboratory, National Marine 

 Fisheries Service under the joint efforts of the Mexican 

 Government, the U.S. Fish and Wildlife Service, and the U.S. 

 National Park Service. 



The investigations involving the ridlev turtle were conducted 

 under Permit No. PRT. 2-1770 (U.S. Federal Fish and Wildlife 

 Service) , Scientific Permit No. 359 (Texas Parks and Wildlife 

 Service), Permits 1978-ABr-IV0751, No. 27611-8786, and 

 1979-ABC-IV-1258, Exp. 4287 (Mexican Government) . 



