It began years and years ago, with a revision of the Microlepidoptera (whatever these may be) by Pawkins, in which he extinguished a new species created by Hapley. Hapley, who was always quarrelsome, replied by a stinging impeachment of the entire classification of Pawkins. Pawkins, in his 'Rejoinder,' suggested that Hapley's microscope was as defective as his powers of observation, and called him an 'irresponsible meddler'...