Essays on the Microscope / Containing a Practical Description of the Most Improved Microscopes, a General History of Insects, etc., etc.

by George Adams

CHAP. VII.

The Natural History of the Hydra, or Fresh Water Polype. [p. 357].

CHAP. VIII.

Of the Animalcula Infusoria. [p. 415].

CHAP. IX.

On the Organization or Construction of Timber, as viewed by the Microscope. [p. 574].

CHAP. X.

Of the Crystallization of Salts, as seen by the Microscope; together with a concise List of Objects. [p. 600].

CHAP. XI.

An Arrangement and Description of minute and rare Shells. A descriptive List of a Variety of vegetable Seeds, as they appear when viewed by the Microscope. By the Editor. [p. 629].