To distinguish a cock-bird from a hen, observe the bird when it is singing, and if it be a cock you will perceive the throat heav ing with a pulse-like motion, a peculiar ity which is scarcely perceptible in the hen. (See 287).

2309. Feed young canaries with white and yolk of hard egg, mixed together with a little bread steeped in water. This should be pressed and placed in one vessel, while in another should be put some boiled rape-seed, washed in fresh water. Change the food every day. When they are a month old, put them in separate cages.

2310. Cut the claws of cage birds occasionally, when they become too long, but in doing so be careful not to draw blood.