THE riuxcu'AL !Si'Ecii:s OF r()isi).\o[:s sxakks 



91 



Total length, i2()0 millimetres ; tail 'i-'-i. 

 Habitat : Southern Australia. 



(10) /). frontalis. — Scales in lU rows; lo4 ventrals ; 30 sub- 

 caudals. 



Colour light brow n, with a vertebral black line ; belly pearly- 

 white, with a median bronze-coloured band. 

 Total length, 400 millimetres ; tail r)0. 

 Habitat : New South Wales. 



(11) D. jfai/<'Ili(/ii. — Scales in 17 rows; l'V2 — 138 ventrals ; 25 

 — 27 subcaudals. 



Colour pale brown ; vertex, occiput, and nape black ; upper 

 lip and belly white. 



Total length, 380 millimetres ; tail 40. 



Habitat : Victoria. 



(1'2) I), macula ta (tig. •")()). — Scales 

 in 17 rows: 121— 13(3 ventrals ; 20—30 

 subcaudals. 



Colour dark grey-l)rown, or brown : 

 a large dai"k olive-green or brown blotcli 

 on the head, with two or three unequal 

 light grey spots ; belly white. 



Total length, 400 millimetres ; 

 tail •').";. 



Habitat : (Queensland. 



(13) 7). piDictata. — Scales in 15 

 rows ; 1(30 ventrals ; 25 subcaudals. 



Colour pale brown : head and nape 

 orange ; upper lip and belly yellow. 



Total length, 350 millimetres ; tail 3G. 

 Habitat : North-Western Australia. 



(14) D. gouldii (tig. 57). — Scales in 15 rows ; 140 — 170 ventrals ; 

 22 — 23 subcaudals. 



Colour brownish-yellow ; nape black ; head covered with a broad 

 greenish-blue blotch, extending from the nose to the neck; Upper 

 lip and bellv vellow. 



Fig. 56. — Dcnisonia maculata. 



Fig. 57. — Dcnisonia gouldii. 



