. . .Page_43">[Pg_43] about they fly close to and examine it for a few moments, then dart away; if it comes too near the nest they will attack it, or threaten an attack. When examining their nests I have had humming-birds dash into my face. The action is similar to that of a stingless, solitary carpenter bee, common in La Plata: a round burly insect with a shining steel-blue body: when the tree or bush in which this bee has its nest is approached by a man it darts about in an eccentric manner, humming loudly, and at intervals remains suspended motionless for ten or fifteen seconds at a height of seven or eight yards above his head; suddenly it dashes quick as lightning into his face, inflicting a sharp blow. The bee falls, as if stunned, a space of a couple of feet, then rises again to repeat the action.

There is certainly a wide difference between so simple an instinctive action as this, which cannot be regarded as intelligent or conscious, and the actions . . . Read More