INTRODUCTION 



Additional references have come to my attention since circulation of 

 the "Bibliography of the North American land tortoises (genus Gopherus )" 

 in 1975 (U. S. Dep. Int., Spec. Sci. Rep. - Wildl. No. 190, 60 pp.). The 

 following sources have been searched for references on tortoises of the 

 genus Gopherus ; Biological Abstracts, through Vol. 62 (1976)* 



BioResearch Index (including BioResearch Titles), 



through Vol. 12 (1976)* 

 Chelonia, through Vol. 3, No. 2 (1976) 

 Copeia, through 1976, No. 3 



Herpetologica, through Vol. 32, No. 3 (1976) 

 International Turtle 6. Tortoise Society Journal, 



through Vol. 7, No. 2 (1973) 

 Journal of Herpetology, through Vol. 10 (1976) 

 The Zoological Record, through Vol. 109 (1972). 

 This supplement includes papers containing information on behavior 

 and ecology of North American tortoises; as in the Bibliography of 1975, 

 no thorough effort has been made to include papers dealing strictly with 

 morphology, taxonomy, fossil forms, or distribution. Each numbered item 

 in the bibliography has been read and its contents indexed by subject. 

 The references cited in each article have also been searched (four ex- 

 ceptions noted on page 9 ) and included when appropriate. A copy of each 

 numbered item listed is on file in the Library of Archbold Biological 

 Station, Lake Placid, Florida. 



A subject index to the contents of numbered items in the bibliography 

 is provided on pages 9—18. Relevant page numbers are given in parentheses 

 following reference numbers. Reference numbers 500 and below in the index 

 designate items in the Bibliography of 1975. The index section formerly 

 called "Thermoregulation" has been split into several categories; relevant 

 references, including all of those from that section in the earlier work, 

 are included under appropriate headings in the new section. 



It is hoped that this supplement will serve as a useful addendum to 

 the Bibliography of 1975. 



Acknowledgments: Support for this work was provided by Archbold Ex- 

 peditions of The American Museum of Natural History. I thank J. N. Layne 

 and Richard Archbold for their help and encouragement and R. B. Bury and 

 G. R. Zug for constructive advice. For various additions to the bibli- 

 ography, I also thank A. F. Czajka, F. E. Lohrer, M. N. McCauley, R. W. 

 McDiarmid, A. Rhodin, and N. Wilson. 



BIBLIOGRAPHY 



501. Alberson, H. C. 1953. "Cracker chicken" hunt. Fla. Wildl. 7(3): 



26-27, 31. (G. polyphemus ) 



502. Allyn, R. 1956. A dictionary of reptiles. Great Outdoors Pub- 



lishing Co., St. Petersburg, Florida. 86 pp. (G. agassizii , 

 G. berlandieri , G. polyphemus , p. 75) 



503. Anderson, C. H. 1949. Gopher hunt. Fla. Wildl. 3(6): 10-11. (G. 



polyphemus ) 



504. Anonymous. 1976a. Desert tortoises and sea turtles. Chelonia 



3(2): 1. (G. agassizii ) 



505. Anonymous. 1976b. (Letter). Turtle Hobbyist 1(6): 3. (G. 



agassizii ) 



-'-searched for GOPHERUS, but not for TORTOISE 



