20 VENOMOUS SNAKES AND THE PHENOMENA OP THEIR VENOMS 



developed. Head distinct from neck. Small eyes, usually with round pupil; some 

 pupils vertical. Body cylindrical. Scales smooth, in 15 to 19 rows. Tail moderate 

 or short. Subcaudals in one single row except one species. Boulenger enumerates 



21 species of Denisonia. 



Denisonia superba. 



Brown or salmon color, belly yellow or olive-gray. Length about 3.5 feet. 

 New South Wales, central Australia, Tasmania. 



Denisonia coronata. 



Olive color with black band on each side of head; belly yellow or pale olive. 

 1.5 feet long. Western Australia, New South Wales. 



Denisonia coronoides. 



Color brown; yellow lip; belly olive-gray or salmon. Length about 1.5 feet, 

 southern Australia; Tasmania. 



Denisonia muelleii. 



Color brownish-gray; lip and chin yellow; belly gray. Length about a foot. 

 Queensland. 

 Denisonia firenata. 



Scales in 19 rows. Color olive-brown; upper lip yellow; belly white. Length 

 about 1.5 feet. Lake Elphinstone and Queensland. 



Denisonia ramsayi. 



Color olive-green; belly yellow; subcaudals black. Length about a foot. New 

 South Wales. 



Denisonia signata. 



Color greenish-brown; head brown; belly gray or white. Length 2 to 2.5 feet. 

 Queensland and New South Wales. 



Denisonia daemelii. 



Color olive; head more intense; belly yellow. Length about 1.5 feet. Queens- 

 land. 



Denisonia suta. 



Pale olive color; head deeper brown; belly yellow. Length about 7 inches. 

 Middle Australia. 



Denisonia frontalis. 



Light brown color; black vertebral line; belly pearl-white, with bronze-colored 

 median band. Length about 1.5 feet. New South Wales. 



Denisonia nagellum. 



Color pale brown; occiput and neck black; belly white. Length about 1.5 feet. 

 Victoria. 



Denisonia maculata. 



Color brownish-gray or brown; head covered with large dark olive-green or brown 

 speckles; belly grayish. Length about 1.5 feet. Queensland. 



Denisonia punctata. 



Pale brown color; head and neck orange; lower lip and belly yellow. Length 

 about a foot. Northwestern Australia. 



Denisonia gouldii. 



Color brownish-yellow; neck white; head covered with large greenish-blue speckles 

 from nose to neck; lower lip and belly yellow. Length 1.5 feet. Southwestern 

 Australia. 



