Their flesh-diet is chiefly the white meat of birds, and their blood-cells are really starved by the small amount of nitrogenous matter.

A deficient diet in its turn is a frequent cause of diarrhoea and constipation, two of the most common complaints among new chums.

In his hunting expeditions Mr.Hume had learnt his lesson from experience, and he accordingly was a martinet on the rules of health.

All the drinking- water was first boiled.

The boys could wear as little as they liked during the heat of the day, so long as they protected their heads and necks, but on the approach of evening they had to get into warm and dry under-garments; they had to keep a sharp watch for the striped "anophele" mosquito, were taught to spray the puncture, if they were tapped by the mosquito lancet, with chloride of ethyl, and had to submit occasionally to a hypodermic injection of quinine.