Primitive man first borrowed the skins of animals and their burrowing habits.

The space under fallen trees covered with moss and twigs grew into the hut covered with bark or sod.

The skins permitted the portable tent.
It is indeed a far cry from these rude defences against wind and weather to the dwelling-houses of the well-to-do family in any country to-day, but the need of the race is just the same: protection, safety from danger, a shield for the young child, a place where it can grow normally in peaceful quiet.

It behooves the community to inquire whether the houses of to-day are fulfilling the primary purposes of the race in the midst of the various other uses to which modern man is putting them.
As already shown, shelter in its first derivation, as well as in its common use, signifies protection from the weather.

Bodily warmth saves food, therefore is an economy in living.