338 COLUBRID. 
Denisonia frenata. 
Hoplocephalus frenatus, Peters, Mon. Berl. Ac. 1870, p. 646. 
Frontal nearly twice as long as broad; nasal not reaching the 
preocular; two postoculars; temporals 2+2; six upper labials. 
Scales in 19 rows. Ventrals 167; anal entire; subcaudals 35, 
Olive-brown above; upper lip yellow; a yellow line on each side 
of the head, passing through the eye; white beneath, 
Total length 590 millim. ; tail 54, 
Lake Elphinstone, Queensland, 
6. Denisonia ramsayi. 
Hoplocephalus ramsayi, Krefft, Proc. Zool. Soc, 1864, p. 181, and Sn. 
Austral. p. 66, pl. xi. fig. 2 (1869). 
Eye moderate. Rostral just reaching the upper surface of the 
head ; internasals shorter than the prefrontals; frontal twice as 
long as broad, not broader than the supraocular, longer than its 
distance from the end of the snout, shorter than the parietals ; 
nasal entire, not reaching the single preocular; two postoculars ; 
six upper labials, second and third in contact with the prefrontal, 
third and fourth entering the eve. Scales in 15 rows. Ventrals 
164; anal divided; subcaudals 51. Dark olive-green above, each 
scale tipped with reddish; crown and a narrow vertebral line 
somewhat darker; upper labials whitish, marked with olive-brown 
in the upper corners; beneath yellow, each ventral shield with a 
blackish margin ; subcaudals nearly black. 
Total length 265 millim. ; tail 50, 
Braidwood, New South Wales, 
7. Denisonia signata. 
Alecto signata, Jan, Rev. § Mag. Zool. 1859, p. 128, an Icon. Gén. 
48, pl. vi. fig. 5 (1873)." 
me paca signatus, Krefft, Sn. Austral. p. 64, pl. xii. fig. 5 
). 
Eye longer than its distance from the mouth. Rostral broader 
than deep, just visible from above; internasals about two thirds 
the length of the preefrontals; frontal once and two thirds to twice 
as long as broad, not or but slightly broader than the supraocular, 
as long as or a little longer than its distance from the end of the 
snout, shorter than the parietals ; nasal entire, in contact with the 
single preocular; 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 17 rows. Ventrals 153-170; anal 
divided; subcaudals 41-56. Dark olive or black above; head 
ee. 
— 
