138 BRITISH 
SERPENTS. 
rabbit throws itself up when lying on its back), but 
Fia, 81.—AbDER IN MOTION, 
I have never seen even 
this much myself. But 
the adder’s anatomy is not 
such as to permit it to do 
more than raise itself up 
on to the tail as a volun- 
tary act, and as a rule it 
may be said that the rep- 
tile always has some part 
of itself on the ground, 
Stil I am quite aware 
that some say otherwise ; 
witness the following ;— 
“One of my workmen 
told) me that an adder 
sprang at him as high 
as his waist, but he 
managed to dodge it, 
and it just missed him” 
(letter from W. Jacob). 
Again, “I was very 
hear putting my foot on 
a large. dark - coloured 
female adder when she 
Jumped yight at me, and 
hissed” (letter from = a 
vamekeeper). 
The ordinary motion of the adder in provression is 
