Cambridge, Maryland, 146 pp. 

 Halstead, B.W., ed. 1970. Poisonous and Venomous Marine Animals of the 



World. Vol. 3, pp. 626-755. U.S. Government Printing Office, Washington, 



D.C. 

 Hardy, L.M. , and R.W. McDiarmid. 1969. The amphibians and reptiles of 



Sinaloa, Mexico. Univ. Kansas Publ. Mus. Natur. Hist. 18(3): 212. 

 Hattori , Z. , T. Inoue, and T. Okonogi . 1974. In front of a pile of sea snake 



carcasses. The Snake 6: 94-98. 

 Harding, J.H. Skindiving in Australia. Skindiving in Australia 4: 18-19. 

 Harding, J. A Closer look at sea snakes. Fathom 1: 20-24. 

 Heatwole, H. 1975. Sea snakes of the Gulf of Carpentaria. Pages 145-149 



inW.A. Dunson, ed., The Biology of Sea Snakes. University Park Press, 



Baltimore. 

 Heatwole, H. 1975. Sea snakes found on reefs in the southern Coral Sea 



(Saumarez, Swains, Cato Island). Pages 163-171 i_n W.A. Dunson, ed. , 



The Biology of Sea Snakes. University Park Press, Baltimore. 

 Heatwole, H. 1975. Predation on sea snakes. Pages 233-249 in_ W.A. Dunson, 



ed.. The Biology of Sea Snakes. University Park Press, Baltimore. 

 Heatwole, H. 1975. Attacks by sea snakes on divers. Pages 503-516 i_n W.A. 



Dunson, ed. , The Biology of Sea Snakes. University Park Press, Baltimore. 

 Heatwole, H. 1975. Voluntary submergence times of marine snakes. Marine 



Biol. 32: 205-213. 

 Heatwole, H. 1977. Heart rate during breathing and apnea in marine snakes 



(Reptilia, Serpentes). J. Herpetol . 11: 67-76. 

 Heatwole, H. 1977. Serpentes (sea snakes). Pages 149-154 in P. Saenger, 



ed.. The Great Barrier Reef, A Diver's Guide. Poly-graphics, Brisbane. 

 Heatwole, H. 1977. Adaptation of sea snakes. Pages 193-204 j_n H. Messel 



and S.T. Butler, eds. , Australian Animals and their Environment- 

 Shakespeare Head Press, Sydney. 

 Heatwole, H., E. Heatwole, and C.R. Johnson. 1974. Shark predation on 



sea snakes. Copeia 1974(3): 780-781. 

 Heatwole, H., and R. Seymour. 1975. Diving physiology. Pages 289-327 in_ 



W.A. Dunson, ed.. The Biology of Sea Snakes. University Park Press, 



Baltimore. 

 Heatwole, H. , and R. Seymour. 1975. Pulmonary and cutaneous oxygen uptake 



in sea snakes and a file snake. Comp. Biochem. Physiol. 51A: 399-406. 

 Heatwole, H. , and R. Seymour. 1976. Respiration of marine snakes. Pages 



375-389 jjT^ G.M. Hughes, ed.. Respiration of Amphibious Vertebrates. 



Academic Press, London. 

 Hecht,M. K., C. Kropach, and B.M. Hecht. 1974. Distribution of the yellow- 

 bellied sea snake Pel amis platurus , and its significance in relation 



to the fossil recorSl Herpetol ogica 30: 387-395. 

 Herre, A.W.C.T. 1942. Notes on Philippine sea-snakes. Copeia 1942(1): 7-9. 

 Herre, A.W.C.T., and D.S. Rabor. 1949. Notes on the Philippine sea snakes 



of the genus Laticauda . Copeia 1949(4): 282-284. 

 Hibbard, E. 1975. Eyes and other sense organs of sea snakes. Pages 



355-382 i_n W.A. Dunson, ed.. The Biology of Sea Snakes. University 



Park Press, Baltimore. 

 Hibbard, E., and J. La Vergne. 1972. Morphology of the retina of the sea- 

 snake. Pel amis platurus . J. Anat. 112: 125-136. 

 Hill, F.L. . Notes on the natural history of the Monte Hello Islands. 



Proc. Linn. Soc. London. 165(2): 113-124. 

 Hoffstetter, R. 1958. Un serpent marin du genre Pterosphenus ( Pt. sheppardi 



nov. sp.) dans 1' Eocene superieur de I'Equateur (Amerique du Sud). Bull. 



Soc. geol. Fr. 8: 45-50. 



