Birds, Insects, and Man-by John Treherne , Ph.D. Unit of Insect Physiology,
Department of Zoology. in the University of Cambridge
Do birds benefit man? It is widely believed that certain species do because they live on harmful insects. But Dr. Treherne discusses this belief in the light of recent research on the effects of birds on populations of insect pests.
5—Folk Songs and Children's Tunes
The programmes are presented by Jacques Brunius , who introduces the subject in English, comments in French and English on points of interest, and presents the chosen texts, songs, or extracts from plays and films.
Devised and produced by Elsie Ferguson
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