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POPULAR SCIENCE REVIEW. 
hyaenas themselves, are in fact covered with tooth scorings, which 
have been shown to be identical in character with those made 
by hyaenas at the present day ; and even such powerful animals 
as the rhinoceros and the mammoth might not unfrequently fall 
a prey to the hyaenas, who would attack them when enfeebled 
by disease, accident, or age, or even when young they would 
sometimes be overcome by sheer force of numbers; or the 
hyaenas, often hunting in packs, would occasionally drive them 
over the precipices, and fall upon them as they lay crippled at 
Fig. 3. 
x Stalagmite uniting breccia -with roof. 
a. Stalagmitic breccia, with bones and implements, 18 in. to 3 ft. 
b. Cave earth, with bones and implements of variable thickness. 
c. Middle red sand with laminated clay at base, containing bones, 3 ft. 
d. Light-coloured sand, with limestone fragments. 
the bottom. In the Creswell caves, as in so many other of the 
British ones, the remains of hyaenas, representing individuals of 
all ages, have been found, from the young cub just cutting its 
teeth to the veteran who has little of them left save the well- 
ground stumps. The species of hyaena thus found is the 
Hycena crocuta , almost, if not quite, identical with the 
Spotted Hyaena now met with only in South Africa. The more 
common Striped Hyaena has also been met with in caves, but 
not in England. 
