86 



]-EA'<JMS 



Fig. 47. — Dinnenia psnminoiiJiis 



Habitat: Eastern, Northern, and Western Australia. 



(6) P. warro. — Characters the sanie as in the previous species ; 

 143 ventrals. Colour brown ; a broad lunate black collar on the 

 nape ; head black above, but paler than the collar. 



Habitat: Port Curtis, Queensland. 



(7) P. siitJterlandi. — Characters as before. Scales on the body 

 in 17 rows ; 1()0 ventrals ; 10 subcaudals. Colour red-brown on 

 the back, yellow on the belly : a broad lunate black collar on the 

 nape, with a lighter edging : light bars across the head, body, and 

 tail. 



Habitat: Xornian Kiver, Queensland. 



(cl) Diemenia. 



]\Ia.\illary bones extending 

 forwards as far as the pala- 

 tines, with a pair of large 

 grooved poison-fangs, followed, 

 after an interspace, l)y 7 — 15 

 snurll grooved teeth : anterior 

 mandibular teeth much elon- 

 gated, resembling poison-fangs. 

 Head scarcely distinct from the 

 neck ; eyes rather large, with 

 round pupils ; nasal shield entire 

 or divided ; frontal elongate. 

 Body cylindrical ; scales smooth, 

 in 15 — lil rows (more on the 

 neck). Tail moderate or long ; 

 subcaudals all or for the most 

 part in -2 rows. 



Coloration very variable, 

 oi'ange-yello^\', olive, red-brown, 

 or pale brown. 



Fig. 48. — Dif'inenin olivaccn (Xortlieni 



Austi-alia and New Guinea). 



(After Krefft.) 



I'lG. 49. — Dicvii'iiia fcrfilis. 



Average length, 1,000 — ],700 millimetres. 



Habitat : Houth-eastern New Giunea, a,nd Australia. 



