176 



Records of the S.A. Museum 



DENISONIA SUTA Peters. 

 Hoplocepliahis siitus Peters, Monatsb. Akad. Berlin, 1863, p. 234. 

 Dciiisoiua siita Bouleng. Cat. Snakes. Brit. Mus. iii, 1896, p. 339. 



Fig. 34. 



Scales in 19 rows. Ventrals 169. .\nal entire. Subcaudals single in 29 

 rows. 



Description. \'ertical diameter of eye twice its distance from the mouth. 

 Pupil verticall}' ellii)tic. Rostral miicli broader than deep, just visible from above. 

 Jnternasals shorter than the prefrontals, which latter are broader than long. Fron- 

 tal nearly twice as wide as the supraocular; one-half longer than wide and longer 

 than its <listance from the end of the snout : a little shorter than the parietals. 

 Nasal entire, in contact with the single preocular. Two postoculars. Temporals 

 2 4-2, the lower anterior wedged between the fifth and si.xth labials. Six upper 

 labials, third and fourth entering the eye. Three lower labials in contact with 

 the anterior chin shields, which are as long as the posterior. 



Fig. 34. Head of Dcnisoiiia siita. 



Colours. Olive brown above. Head slightly darker abo\e ; nape dark 

 brown. A black streak arises on the upper part of the rostral and passes through 

 the nostril to the eye. thence to the upper part of the sixth labial and the nape 

 marking of which it forms the lower border. A yellow marking on the pre-, 

 supra-, and postoculars partly encircling the eye. Black blotches on the lower 

 part of the rostral and first four labials; also on the mental, first chin shield, and 

 first lower labial. The rest of the rostral, labials, and entire under parts to the 

 tip of the tail pale yellow. .\ median, irregular, reddish streak from about the 

 sixth ventral to the second preanal scale. Lower body scales and lateral edges 

 of ventrals margined with grey. 



Total Length. 490 mm. ; tail 56 mm. 



Loc. Moolooloo, South Australia. Collected F. .\ngel and E. Savage. 



