588. Naegle, S. R., and W. G, Bradley. 1974. Oxygen consumption of the 



desert tortoise in relation to size and age. J. Ariz. Acad. Sci. 

 9 (Suppl.): 17-18. (Abstr.) (G. agassizil ) 



589. Naegle, S. R. , and W. G. Bradley. 1975. Influence of temperature 



and body weight on oxygen consumption in the desert tortoise 

 Gopherus agassizi . Herpetol. Rev. 6: 71, (Abstr.) 



590. Ohno, S. 1970. Evolution by gene duplication. Springer-Verlag, 



New York. 160 pp. (£. agasslzli , pp. 137, 160) 



591. Patterson, R. G. 1971. Vocalization in the desert tortoise, 



Gopherus agassizi . M. A. Thesis, California State College, 

 Fullerton. 116 pp. (G, agassizii , G. berlandieri , G. f lavo- 

 marginatus , G. polyphemus ) 



592. Patterson, R. 1975. Distribution determination of Gopherus 



agassizi . Herpetol. Rev. 6: 71-72. (Abstr.) 



593. Patterson, R., and J. Fonda. 1970. Eggs, urine, and tortoises: a 



request for information. Tortuga Gaz. 6(12): 3, 5. ( Gopherus 

 spp., G. agassizii ) 



594. Pawley, R. 1968. How we found Mexico's 'extinct' tortoises. 



Science Digest 64(2): 7-11. ( Gopherus spp., pp. 8-9, 10; G. 

 f lavomarginatus ; G. polyphemus , p. 9) 



595. Pawley, R. 1975. Man and tortoise. Field Mus. Nat. Hist. Bull. 



46(10): 13-18. (G. agassizii , G. berlandieri , G. flavo - 

 marginatus , G. polyphemus ) 



596. Petter, A. J., and J. F. Douglass. 1976. Etude des populations 



d'Oxyures du c©lon des Gopherus (Testudinidae) . Bull. Mus. Nat. 

 Hist. Nat. (Paris), Ser. 3, No. 389. Zoologie 271: 731-768. 

 ( Gopherus sp., G. agassizii , G. berlandieri , G. f lavomarginatus , 

 G_. polyphemus ) 



597. Pfeiffer, C. 1976. Health: convalescent care. Turtle Hobbyist 



1(1): 3-4. (G. berlandieri ) 



598. Pope, C. H. 1957. Reptiles round the world. Alfred A. Knopf, New 



York. 194 + x pp. (G. agassizii , G. berlandieri , G. poly - 

 phemus , p. 134) 



599. Porter, K. R. 1972. Herpetology. W. B. Saunders Company, Phila- 



delphia. 524 pp. ( Gopherus , p. 203; G. agassizii , pp. 269, 

 283-284, 295, 384, 433, 475; G. polyphemus , pp. 268, 382, 383) 



600. Postma, J. 1976. (Letter). Turtle Hobbyist 1(5): 1. (G. 



agassizii ) 



601. Pritchard, P. C. H. 1975. Directory of turtle genera. Chelonia 



2(5): 10-29. ( Gopherus , p. 19; Xerobates, p. 29) 



602. Pritchard, P. C. H. 1976. (Review: Mount, R. H. 1975. The 



reptiles and amphibians of Alabama.) Copeia 1976: 410-412. (G. 

 polyphemus , p. 411) 



603. Rand, A. L. , and P. Host. 1942. Mammal notes from Highland County, 



Florida. Results Archbold Exped., No. 45 (Bull. Am. Mus. Nat. 

 Hist. 80, Art. 1). 21 pp. (G. polyphemus , pp. 2, 5) 



604. Raun, G. G., and F. R. Gehlbach. 1972. Amphibians and reptiles in 



Texas. Bull. Dallas Mus. Nat. Hist. 2. 61 pp. + 140 maps. (G. 

 berlandieri , p. 15, Map 57) 



605. Richardson, B., Jr. 1976. A girl named Herbie. Fla. Wildl. 30(1): 



21. (G_. polyphemus ) 



606. Rose, F. L. , and F. W. Judd. 1975. Activity and home range size of 



the Texas tortoise, Gopherus berlandieri , in South Texas. Her- 

 petologica 31: 448-456. (G. agassizii , G. berlandieri , G. flavo - 

 marginatus , G. polyphemus ) 



