THE PRINCIPAL SPECIES OF POISONOUS SNAKES 83 
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Colour dark brown, lighter on the sides; belly brown or white, 
more or less spotted with black; tail black. 
Total length, 360 millimetres ; tail 45. 
Habitat : Fiji Islands. 
Fic. 43.—SkuLL oF Glyphodon tristis (Australian Colubrine). 
(After G. A. Boulenger, op. cit.) 
(b) Glyphodon. 
General characters the same; snout rounded: poison-fangs 
followed, after a wide interspace, by 6 small grooved teeth ; 
anterior mandibular teeth strongly developed (fig. 43). Head and 
