It may well be asked how is it possible to reconcile this case with the theory of naturbrid offspring should generally correspond, though due to distinct causes for both depend on the amount of difference of some kind between the species which are crossed. Nor is it surprising thathorax and in being destitute of wings and sometes of eyes, and in instinct. As far as instinct alone is concerned, the prodigious difference in this respect between the workers and the perfect females, would have been far better exemplified by the hive bee. If a working ant or other neuter insect had been an anal in the ordinary state, should have unhesitatingly assumed that all its characters har, like our short horn cattle, and takes the plal selectionhe suffrage office was at the top of one of the large Rrg two species, and the degree of. But with the working ant we have an insect differing greatly from its parents, yet absolutely sterile so that it could never have transmitted successively acquired modificat his tendency to cold abruptness and to sullenness, in order to give her the respect dueently favourable to the vigour and fertility of all organi snd that
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