H.R. Hewer

Documentary on the life cycle of the tortoiseshell butterfly: first laying their eggs under the leaves of sting nettles and in2-3 weeks the caterpillars emerge and live off the nettle leaves. Then fully grown caterpillars spin a chrysalis. After 3 weeks the new butterfly emerges, and so the cycle continues.

Mary Field and F Percy Smith create this whimsical look at the breeding habits and life cycle of frogs.

A Secrets of Life short about life within the pools that form along rocky shores.

Early stages in the growth of the sea-urchin are presented in microphotography by transmitted and reflected light.