506. Ashe, V. M. , D. Chiszar, and H. M. Smith. 1975. Behavior of aquatic 



and terrestrial turtles on a visual cliff. Chelonia 2(4): 3-7. 

 (G. berlandieri ) 



507. Auffenberg, W. 1976. The genus Gopherus (Testudinidae) : Pt. I. 



Osteology and relationships of extant species. Bull. Fla. State 

 Mus. 20: 47-110. 



508. Auffenberg, W. , and R. Franz. 1975. The status and distribution of 



Gopherus polyphemus . Unpubl. MS. 48 pp. + 20 tables + 12 figs. 



509. Baird, I. L. 1970. The anatomy of the reptilian ear. Pages 193-275 



in C. Cans and T. S. Parsons, eds. Biology of the Reptilia, Vol. 

 2. Academic Press, London and New York. ( Gopherus , p. 270; G. 

 agassizii , p. 265) 



510. Barbour, T. 1943. Naturalist at large. Little, Brown and Company, 



Boston. 314 pp. {G, polyphemus , p. 230) 



511. Baskett, J. N., and R. L. Ditmars. 1902. The story of the amphibians 



and the reptiles. D. Appleton and Company, New York. 217 pp. (G, 

 polyphemus , p. 115) 



512. Beasom, S. L. 1974. Selectivity of predator control techniques in 



South Texas. J. Wildl. Mgmt. 38: 837-844. (G. berlandieri , pp. 

 841, 842) 



513. Beattle, E. 1976. Turtle tropical paradise - Part I. Turtle Hobby- 



ist 1(5): 4-5. (G. polyphemus ) 



514. Bellairs, A. 1970. The life of reptiles. 2 vols. Universe Books, 



New York. 590 pp. ( Gopherus spp., pp. 64, 68, 110, 426, 490, 527; 

 Gopherus sp., pp. 63, 64, 67, 146; G. agassizii , p. 273) 



515. Bellairs, A., and R. Carrlngton. 1966. The world of reptiles. 



Chatto 6. Windus, London. 153 pp. ( Gopherus sp., p. 40; G. 

 agassizii , p. 57) 



516. Berridge, W. S. 1926. Marvels of reptile life. Thornton Butter- 



worth, Ltd., London. 256 pp. (G. polyphemus , pp. 134-135) 



517. Berry, K. H. 1976. (Letter). Chelonia 3(2): 7. (G. agassizii ) 



518. Bockman, D. E. 1970. The thymus. Pages 111-133 in C. Cans and T. 



S. Parsons, eds. Biology of the Reptilia, Vol. 3. Academic Press, 

 London and New York. (G. berlandieri , p. 124) 



519. Booth, K. A. 1976. (Letter). Turtle Hobbyist 1(6): 1-2. (G. 



agassizii ) 



520. Bootman, H. J. 1976. (Letter). Turtle Hobbyist 1(3): 2. (G. 



agassizii ) 



521. Boyles, J. M. 1966. Zoogeography of the herpetofauna of central 



Florida. Ph. D. Thesis, University of Alabama, University. 164 

 pp. + 26 maps. (G. polyphemus , pp. 132, 160) 



522. Brattstrom, B. H. 1964. Amphibians and reptiles from cave deposits 



in south-central New Mexico. Bull. So. Calif. Acad. Scl. 63: 

 93-103. ( Gopherus sp., pp. 95-96, 100; G. agassizii , pp. 95-96; 

 G. berlandieri , p. 95; G, f lavomarginatus , p. 96) 



523. Brattstrom, B, H. 1974. The evolution of reptilian social behavior. 



Am. Zool. 14: 35-49. ( Gopherus spp., G. agassizii , p. 44) 



524. Breen, J. F. 1949. Reptiles: their habits and care. All-Pets 



Magazine. 115 pp. ( Gopherus spp., p. 92; G^. berlandieri , p. 93; 

 G. polyphemus , pp. 92-93, 100-101) 



525. Bureau of Land Management. 1975. The desert tortoise in Utah. U. S. 



Dep. Int., Bur. Land Mgmt., Cedar City District, Utah. 2 pp. (G. 

 agassizii ) 



526. Chew, R. M. 1961. Water metabolism of desert- inhabiting vertebrates. 



Biol. Rev. (Cambridge Philos. Soc. ) 36: 1-31. (£. polyphemus , p. 

 8) 



