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ABSTRACT THE Gaumont British Instructional Films Bureau has recently added some interesting biological films to its already extensive collection. “Climbing Plants” portrays clearly the many
different devices for climbing adopted by plants in their struggle for existence, including 'scramblers', thorn, petiole and aerial root climbers, as well as types that climb by
means of tendrils and stems. The photographs of circumnutation in the bean seedling are as excellent as the rest of the film. In “The Swan”, the photographer has captured some entertaining
'shots' of the famous swannery at Abbotsbury, near Wey-mouth. Courtship and breeding are carefully presented, as well as pleasant recordings of cygnet development. “The Life-Story
of a Fern” includes photographs of royal, hart's-tongue, male and bracken ferns, indicating methods of spore production and liberation. In this film some informative pictures of
fertilization processes in the ferns are particularly noteworthy. Access through your institution Buy or subscribe This is a preview of subscription content, access via your institution
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about institutional subscriptions * Read our FAQs * Contact customer support RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Biological Films. _Nature_
145, 890 (1940). https://doi.org/10.1038/145890a0 Download citation * Issue Date: 08 June 1940 * DOI: https://doi.org/10.1038/145890a0 SHARE THIS ARTICLE Anyone you share the following link
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