The Young Queens
instance that will not take us too far from our bees, I know of no instance more striking than that of the triongulins of the Sitaris colletes. And it will be seen that, in many details, this story is less foreign to the history of man than might perhaps be imagined.
These triongulins are the primary larvæ of a parasite proper to a wild, obtuse-tongued, solitary bee, the Colletes, which builds its nest in subterranean galleries. It is their habit to lie in wait for the bee at the approach to these galleries; and then, to the number of three, four, five, or often of more, they will leap on her back, and bury themselves in her hair. Were the struggle of the weak against the strong to take place at this moment there would be no more to be said, and all would pass in accordance with universal law. But, for a reason we know not, their instinct requires, and nature has consequently
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