V.

Chemistry, Meteorology, and the Function of Digestion.

By Wm. Prout, M.D., F.R.S.

VI.

The History, Habits and Instincts of Animals.

By the Rev. Wm. Kirby, M.A., F.R.S.

Illustrated by numerous Engravings on Copper.

VII.

Animal and Vegetable Physiology Considered with Reference to Natural Theology.

By Peter Mark Roget, M.D.