192 



Distribution. Aru Islands; New Guinea; N. Australia. 

 A single species. 



Fig. 73. Myron richardsoni Gray. X */$ 



I. Myron richardsoni Gray. 



Myron richardsonii, Gray, Cat. Sn. 1849, p. 70. 



Myron richardsonii, Boulenger, Cat. Sn. Ill 1896, p. 20. 



Rostral more broad than deep; internasal single or double; 

 frontal as long as its distance from the rostral or the tip of 

 the snout, shorter than the parietals; one or two prae- and 



two postoculars; loreal 

 more long than deep; 

 temporals I + 2; eight 

 or nine upper labials, 

 fourth or fifth entering 

 the eye; three or four 

 lower labials in contact 

 with the anterior chin- 

 shields, which are fol- 



Fig. 74. Myron richardsoni Gray. 

 Upper view of head. 



lowed by two other 

 pairs, in contact on the 

 median line. Scales feebly keeled, in 21 rows; ventrals 132 140; 

 anal divided; subcaudals 30 40. 



Olive or grey above, with black transverse bands; two outer 

 rows of scales yellowish; head dark; a dark streak through 

 the eye to the nape. Lower surface yellowish or brownish, 

 the ventrals edged with black anteriorly and with a dark 

 median streak. Length of head and body 365 mm.; tail 60 mm. 



