THE ADDER. 159 
hard to find. However, 1 was fortunate enough to 
capture on September 4, 1900, on the Graig Hill 
(North Monmouthshire), a female very big with young, 
and which proved a unique specimen as far as my 
Fig. 39.—Empryo ADDERS. 
(From the specimen in the Ellesmere Museum, kindly lent to the Author.) 
collection is concerned. She was 25} inches long, and 
so heavy with young that she moved with difficulty, 
and was secured with the greatest ease. Her appear- 
ance in her museum jar is seen in the full-page 
illustration, p. 157. The young adders could be felt 
