Living Pupæ.— The Rev. W.J. Holland (5th Avenue, Oakland, Pittsburgh, Pa.) has a large number of living pupæ of Tela Polyphemus, Actias Luna, C. Promethea and Angularis, E. Imperialis and C. Regalis, reared in the South, which he desires to dispose of at reasonable rates. His object is to asist and encourage a poor lad whom he has interested in Entomology. Application should be made to him at once.