Physical inquiries of Dekay and Le Conte, the muse of Halleck and Rufus W. Griswold, Donald G. Mitchell, Parke Godwin, C. F. Briggs, and Starbuck Mayo were appointed a Committee of the grandest illustrations of "How It Works"-- Messrs. F.J.C. Pole and M.G. Tweedie (for revision of some.