Word: ecologist
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Dates: during 1950-1950
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This is the considered conclusion of Dr. H. Hediger in a book, published in London, called Wild Animals in Captivity (Butterworth; 35 shillings). Dr. Hediger is director of the Zoological Gardens at Basle, Switzerland, but he is no mere animal-keeper. He is an ecologist,*who appreciates the psychological as well as the material needs of animals...