Chapter C: M. J. will find the reference to "Language given to man," &c., in

_Vol. vi., p. 575._, in an article on South and Talleyrand._

PHOTOSULPH, _who asks whether, when using the developing solution, it is necessary to blow upon the glass, is informed that it is not necessary; but that, when there is a hesitation in the flowing of the fluid, blowing gently on the glass promotes it, and the warmth of the breath sometimes causes a more speedy development._