217. DiEMBuriA. 323 



C. Pale olive above, eacli scale edged with black, the black forming 

 a reticulate pattern ; uniform yellowish white beneath. (Z*. retic- 

 ulata. Gray.) 



a, 6-c, d-e. J (V. 181, Australia. (Types oil), reticulata.) 



17«; 0. 78, 72) & ? 



(V. 188, 180, 189; 



0.71,70,70,. 

 / 5 (V. 186; 0. 72). N.W. Austraha. 



g. c? (V. 177 ; 0. 75). W. Austraha. 



'h. 5 (V. 188; C. 69). Swan River. 



2. Diemenia torquata. 



Demansia torquata, Giiiith. Ann. Sf Mag. N. H. (3) ix. 1862, p. 130, 



pi. ix. fig. 10. 

 Diemenia torquata, Krefft, Sn. Atistral. p. 43, pi. xii. fig. 11 (1869). 



Eye large, liostral a little broader than deep, visible from 

 above; internasals three fifths to two thirds the length of the 

 praefrontals ; frontal not broader than the supraocular, twice to 

 twice and a half as long as broad, considerably longer than its 

 distance from the end of the snout, a little shorter than the 

 parietals ; nasal divided, in contact with the single prseocular ; 

 two postoculars ; temporals 2+2, lower anterior wedged in 

 between the fifth and sixth upper labials ; six upper labials, third 

 and fourth entering the eye ; three or four lower labials in contact 

 with the anterior chin-shields, which are shorter than the posterior. 

 Scales in 15 rows (17 on the neck). Ventrals 191-203 ; anal 

 divided ; subcaudals 75-81. Olive above, most of the scales black 

 at the base ; head dark olive or black above, the sides of the snout 

 and the postoculars yellowish white ; a black streak from eye to 

 eye across the rostral ; a black streak from below the eye to the 

 commissure of the mouth ; labials black-edged ; a black or dark 

 olive band, edged with yellow, across the nape ; lower surface of 

 head variegated with black ; belly olive or plumbeous, with a 

 darker median streak ; end of tail orange. 



Total length 580 millim. ; tail 145. 



N.E. Australia. 



a. $ (V. 203 ; 0. 81). Percy Id. F. M. Rayner, Esq. [P.], 



(Type.) 



b. Yg. (V. 196 ; C. 76). Rockhampton. 



c. Yg. (V. 191 ; C. 76). Queensland. Dr. Coppinger [C] ; 



H.M.S. 'Alert.' 



3. Diemenia olivacea. (Plate XVIII. fig. 2.) 



Lycodon olivaceus. Gray, Zool. MisceU. p. 54 (1842). 



Demansia olivacea, Ounth. Cat. p. 212 (1868). 



Diemenia olivacea, Krefft, Sn. Austral, p. 39, pi. vi. fig. 9 (1869) ; 



Peters ^ Doria, Ann: Mm. Oenova, xiii. 1878, p. 408. 

 ? Diemenia atra, Macleay, Proc. Linn. Soc. N. S. W. ix. 1884, p. 649. 

 Diemenia anguaticeps, Macleay, Proc. Linn. Soc. N.S.W. (2) iii. 

 1888, p. 417. 

 Bye large. Rostral broader than deep, visible from above j 



x2 



