LEVITON, BROWN, & SILER: PHILIPPINE VENOMOUS SNAKES 
525 
Toriba, Michicisa. 1993. Ophiophagus Gunther, 1864. Pages 195-196 in Pliilippe Golay et al, eds., Endo- 
glyphs and other Major Venomous Snakes of the World. Azemiops S.A., Ai’re-Geneva, Switzerland. 
Vick, .Tames A., .Iurgen von Bredow, Marie M. Grenan, and George M. Pickwell. 1975. Sea snake 
antivenin and experimental envenomation therapy. Pages463-485 in William A. Dunson, The Biology^ of 
Sea Snakes. University Park Press, Baltimore, Maryland, USA. 
Vogel, Gernot, Patrick David, Mario Lutz, Johan van Rooijen, and Nicholas Vidal. 2007. Revision of 
the Tropidolaemus wagleri-complex (Seipentes: Viperidae: Crotalinae). I. Definition of included taxa 
and redescription of Tropidolaemus wagleri (Boie, 1827). Zootaxa (1644): 1-40, figs. 1-30, tables 1-7. 
VoGTMAN, Donald B. 1950. Hie relative efficiency of two types of anti-venom sera in neutralizing cobra 
venom. Copeia 1950:225-228. 
VoRis, Harold K. 1977. A phylogeny of the sea snakes (Hydrophiidae). Fieldiana: Zoology 70:79-166. 
VoRis, Harold K., and Heather H. Voris. 1983. Feeding strategies in marine snakes: an analysis of evolu¬ 
tionary, morphological, behavioral and ecological relationships. American Zoology 23:411^25. 
Wall, Frank. 1909. A monograph of the sea snakes. Memoirs of the Asiatic Society of Bengal 2(8):250. 
Wall, Frank. 1924. The hamadryad or king cobra, Naia hannah (Cangtor). Journal of the Bombay Natural 
History Society 1 pi. 
Watt, George, and R. David G. Theakson. 1985. Seasnakebites in a freshwater lake. American Journal of 
Tropical Medicine and Hygiene 34:770-773. 
Wegner, A. M. R. 1954. The snakes of the genus Maticora Gray with special reference to Maticora bivirga- 
ta biviigata (Boie) andM intestinalis intestinalis (Laurenti). Penggemar Alam 34:55-58. 
WusTER, Wolfgang. 1996. Taxonomic changes and toxinology: systematic revisions of the Asiatic cobras 
{Naja naja species complex). Toxicon 34:399-406. 
WiiSTER, Wolfgang, and Roger S. Thorpe. 1989. Population affinities of the Asiatic cobra {Naja naja) 
species complex in south-east Asia: Reliabihty and random resampling. Linnean Society of London, Bio¬ 
logical Journal 36:391-409. 
WiiSTER, Wolfgang, and Roger S. Thorpe. 1990. Systematics and biogeography of the Asiatic cobra {Naja 
naja) species complex in the Philippines. Pages 333-344 in Gustav Peters and Tainer Hutterer, eds.. Ver¬ 
tebrates in the Tropics. Proceedings of the International Symposium on Vertebrate Biogeography and 
Systematics in the Tropics, Bonn, June 5-8, 1989. Alexander Koenig Zoological Research Institute and 
Zoological Museum, Bonn, Bonn, Germany. 
WiiSTER, Wolfgang, and Roger S. Thorpe. 1991. Asiatic cobras: Systematics and snakebite. Experimentia 
(Basel) 47:205-209. 
WiiSTER, Wolfgang, and Roger S. Thorpe. 1992. Dentitional phenomena in cobras revisited: spitting and 
fang structure in Asiatic species oiNqja (Serpentes: Elapidae). Herpetologica 48:424-434. 
ZuG, George R. 2013. Reptiles and Amphibians of the Pacific Islands. University of California Press, Berke¬ 
ley, California, USA. x + 306 pp., text figs. 1-30, pis. 1-35. 
