The Natural History of Isinglass

Ix dealing with the subject of isinglass it is not intended to treat of the chemical properties of that substance, or to discuss its practical applications to the brewing industry, for these are matters which pertain to the province of the chemist and the brewer rather than to that of the naturalist.The scope of the present article will be restricted to the sources from whence isinglass is obtained, and to a brief account of the nature and distribution of the animals which furnish our supply of this most useful commodity.