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Describes some elementary embryology as found in the sea urchin, and then proceeds to the development of the rabbit. Egg-laying mammals are mentioned after the preliminary discussion on simple cell division....
A record of the Lack-Venables expedition to the Galapagos Islands in 1938-9, showing the animal life of the islands. Maps show the route taken. A general survey of the fauna is followed by studies 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...
A study of the structure and habits of the earthworm. Shows its external appearance and mode of life and internal structure by means of diagrams imposed on microphotographs of cross sections of the worm, and...
Structure and life history of the amoeba. The slow movements of the amoeba, the formation of pseudopodia, the general structure, and the junctioning of the contractile vacuole are illustrated. The...
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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