Some people have an idea that skimmed milk, if given in sufficient quantity, is good enough for the weaning period of calf-feeding; but this is a very serious mistake, for the cream, of which it has been deprived, contained nearly all the oleaginous principles, and the azote or nitrogen, on which the vivifying properties of that fluid depends.

It contains azote, with which no other vegetable acid is combined; it is largely used in the manufacture of Prussian blue.

"If either oxygen or azote was omitted, life would be destroyed.

"If either oxygen or azote were omitted, life would be destroyed.

Why do Cabbages emit a strong animal odour? Because they contain a great quantity of azote or nitrogen, one of the ultimate elements of animal matter, and strongly characterized in the destructive distillation of horn, hoofs, or bones.

On the other hand, were the atmosphere wholly composed of azote, life could never have existed, whether animal or vegetable, and the objects of the Creator in forming this world would not be fulfilled.

The consideration of these facts led Sir Humphry to adopt a lamp, in which the flame, by being supplied with only a limited quantity of air should produce such a quantity of azote and carbonic acid as to prevent the explosion of the fire-damp, and which, by the nature of its apertures for giving admittance and egress to the air, should be rendered incapable of communicating any explosion to the external air.