A Pro Patria presentation produced by British Instructional Films Ltd. Secrets of Nature - Phantoms.
Shot of a pond then a close up of what looks like a leaf on the water's surface. It is a cluster of gnat eggs. Underwater shot of the eggs hatching downwards into the water. Spiral of eggs in...
Nice shots of countryside scenes.
A Secrets of Nature Educational film about the rearing of Cuckoos
Unedited material of organic entities seen under a microscope - for Secrets of Nature films probably.
Life and death of the Aphis.
Educational film about water fleas.
Educational film showing how maize grows - some time lapse photography and animations.
Educational film about the life of a nightingale.