201 
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ON INSTINCT IN MAN AND ANIMALS. 
THE most perfect and most striking examples of what 
‘is termed instinct, those in which reason or observa- 
tion appear to have the least influence, and which 
seem to imply the possession of faculties farthest re- 
moved from our own, are to be found among insects. 
The marvellous constructive powers of bees and wasps, 
the social economy of ants, the careful provision for 
the safety of a progeny they are never to see mani- 
fested by many beetles and flies, and the curious pre- 
parations for the pupa state by the larve of butterflies 
and moths, are typical examples of this faculty, and 
are supposed to be conclusive as to the existence of 
some power or intelligence, very different from that 
which we derive from our senses or from our reason. 
How Instinct may be best Studied. 
Whatever we may define instinct to be, it is evi- 
dently some form of mental manifestation, and as we 
can only judge of mind by the analogy of our own 
mental functions and by observation of the results of 
mental action in other men and in animals, it is in- 
cumbent on us, first, to study and endeavour to com- 
prehend the -minds of infants, of savage men, and of 
