Sugar, after it has passed the degree of the feather, is of itself naturally inclined to grain, that is to candy, and will form a powder if agitated or stirred: for as the boiling is continued, so is the water evaporated until there is nothing left to hold it in solution: therefore that body being destroyed by heat, which first changed its original form to those we have already enumerated, as this no longer exists with it, it naturally returns to the same state as it was before the solvent was added, which is that of minute crystals or grains, being held together by the attraction of cohesion, unless, as before stated, they are separated by stirring, etc.

The sugar being evaporated by boiling' from the last degree, leaves a trim crust of crystals round the sides of the pan, which shows it has attained the candy height; and this crust must be carefully removed, as it forms, with a damp cloth or sponge, or the whole mass will candy if suffered to remain. To prevent this is the chief desideratum, all further proceedings for which specific rules will be given in their proper places.

The remaining degrees can be ascertained after the following manner: -