"There is scarcely any well-informed person, who, if he has the will, has not also the power to add something essential to the general stock of knowledge, if he will only observe regularly and methodically some particular class of facts which may most excite his attention, or which his situation may best enable him to study with effect."-HERSCHELL. CONTENTS. ADAMS, ARTHUR, F.L.S. A day among the Cryptochitons, 7054; Occurrence of a reversed specimen of 389460 |