The publication of Mr. Scudder's Revision has caused much dismay among amateurs, on account of the numerous specific changes and minute generic sub-divisions which it proposes.

To students of Lepidoptera the novel, and in many cases, original views advanced afford a fertile field for discussion. Mr. scudder has attempted to study the order by the same methods, and to correct its tangled specific nomenclature by the same principles which govern a1l other departments of Zoology.