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An analysis of dogfish anatomy shown by photographs of the living fish, detailed dissections and animated diagrams. A study of the habits and external features of the fish is followed by microphotographs of...
Part 2: The chemical changes that take place within the alimentary canal. Animated diagrams illustrate the position of the glands and the function of their secretions in breaking down carbohydrates, proteins...
Structure and life history of the paramecium. Animated diagrams and photography illustrate: the morphology of the paramecium; its reactions to stimuli, the digestion of its food; and its methods of...
Part 1 shows the early processes of development in the sea-urchin egg. Photomicrography shows the eggs, sperm, fertilisation and formation of the fertilisation membrane. Part 2 shows development from the...
Using microphotographs and superimposed diagrams, the film explains the structure of hydra; the nematocysts, nerve net, mesogloea and symbiotic algae; the muscle cells; methods of regeneration and nutrition;...
Life cycle of the blowfly from egg-laying to emergence of adult. Laying of the eggs in exposed meat in the summer; hatching of larvae; growth and feeding of larvae, and their burrowing into the earth for...
Many examples of crustaceans including wood lice, daphnia, cyclops, shrimps and lobsters, in their natural environments.
Describes the embryology of the frog. The processes of coition, fertilisation, cleavage, gastrulation, neurulation and subsequent development are illustrated in turn, by means of micro-photography,...
Traces the history of Laxton, an English village, which used the open-field system of agriculture. From records and monuments a picture of the village in the middle ages is built up, and the modern...
Depicts the structure and mode of functioning of the crayfish. External structure illustrated showing the regions of the body and the various appendages. This leads to a consideration of the respiratory and...
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