THE REMAINS OF A FEAST 
None of the leaves of the plant here pictured contained flies, but several of them held the 
remains of the little land crustacean commonly knownas the sow-bug. The photograph 
above shows an opened leaf, much enlarged, with the chitinous skeleton of its victim, 
from which all the meat has been dissolved. The acid secretion of the plant is almost 
colorless and slightly mucilaginous. The most common food of the plant, when wild, is 
beetles, but it will eat spiders and almost anything that comes too close to it. 
Obviously, however, flies, bees, etc., more frequently escape than do insects which have 
less power of flight. (Fig. 3.) 
the muscles that would be used were 
the physical fight made.”’ 
From such cases as have been cited 
Dr. Crile concludes that ‘‘the adaptation 
of man and kindred animals to environ- 
ment is secured by a series of physical 
and chemical reactions which are the 
outward expressions of a transformation 
of energy, by which the forces latent in 
food products that have been appro- 
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