80 BRITISH SERPENTS. 
dark patches somewhat lozenge - shaped, one row on 
each side. One patch is placed between each point 
of the zigzag—thus: 
Fic. 14.--SIDE-MARKINGS OF ADDER. 
These side-markings are extremely variable in shape 
and intensity, being sometimes almost merged in the 
general body colour. The lip-scales, which are on the 
sides of the jaws, are of a bright yellow, numbering, 
as a rule, eight or nine. The colour of the belly is 
very varied, there being all shades from deep slaty- 
blue to grey. While the arrangement of the markings 
is always much the same, the colours of the markings 
exhibit a wonderful range of variation, which ave dis- 
cussed in a separate chapter. 
A REMARKABLE ADDER. 
“The late Mr Kirkby of Ulverston once met with 
the very remarkable viper here figured. He showed 
it to me a short time before his death. It was 
taken with his own hands in the neighbourhood of 
Ulverston, where he lived so long. It was unique 
in his experience. The ground colour of this snake 
is uniformly olive-grey. The curious feature is that 
f=) 
