VIPERA CORNUTA. 
The scales of the temples and posterior parts of head ovate and carinated, 
of the upper and anterior parts, subcircular and carinated, and of the sides 
of the head before the eye, small and without keels. The scales of the body 
and tail ovate and all strongly carinated, except the row of each side of the 
body which adjoins the abdominal plates. On the body the scales are 
disposed in oblique transverse rows, twenty-five in each. The abdomen is 
rather flat and of moderate width, the subcaudal scales six-sided, and are 
replaced near to its tij> by scales like to those on its upper surface ; the scales 
between rami of lower jaw in front of abdominal plates small, somewhat 
five-sided and imbricate. Abdominal plates of individual figured, 125 ; 
subcaudal scales 25. Length from nose to tail 12 inches ; length of the tail 
1| inches. 
VIPERA LOPHOPHRYS.— Cuv. 
Plate XXXIII. 
Colour. — Rusty yellowish brown, variegated with four longitudinal rows of 
irregular, lengthened, blackish brown spots or stripes. The spots of the two 
middle rows are towards the posterior parts small and irregular and on the latter 
are in some places confluent, so as to form short waved transverse bars ; the 
spots of the lateral rows towards the head are small, and on the tail, instead 
of being distinct, each row fades into a sort of irregular serrated or zig-zag 
dark line. Belly pale yellowish brown freckled with small somewhat qua- 
drangular liver-brown spots. The sides of the head are faintly mai’ked with 
two brownish red bars, one running obliquely from the outer cantbus of the 
eye to the angle of the mouth, the other vertically from the inner canthus to 
the edge of the upper lip. Many of the spots of the body have their disc 
chesnut-brown, and several of them are edged more or less completely with 
bluish white. Besides the spots already described, several irregular sienna- 
yellow blotches exist principally between the central and lateral rows of dark 
spots. 
Form, &c. — Body lengthened, cylindrical, rather thicker at the middle than 
at the back of the head, or base of the tail ; the latter is short and rather blunt 
at the point. The scales are strongly carinated and disposed in oblique trans- 
verse rows, 27 in each. The spinous scales over the eyes are rather long and 
