Margaret Warner Morley, The Renewal of Life; How and When to Tell the Story to the Young
“ The extension of knowledge from the bird to the mammal may be made through the medium of the family pets. Fido, puss, the pet rabbits, or squirrels may serve to elucidate the subject. Indeed, at this stage the well-instructed child himself will be ready to give all the essential facts, and will feel free to ask questions concerning the facts he does not understand. If he has traced the continuity of the egg from the flower to the bird it will not be difficult for him to realize that even the higher animal has its origin in the same way. ”
