1. Actias Luna.—Eggs laid at night by a female in confinement, on April 30th (this is an exceptional case, they are not generally laid until June). They are lateriform, obrotundate, smooth, approaching in some cases a spheroid, opaque, very dark sepia with a faint tinge of olivaceous, though some specimens were marked with broad white bands irregularly disposed, and a very few almost entirely white.