COLOR CHANGES IN FROGS AND CRUSTACEANS
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Photography by Norman McClintock and Earle B. Perkins, at the Biophotography Laboratory of Rutgers. Shows how amphibians and crustaceans change color.
Complete catalog record
Dewey number: 591.57
Audience level: sh-c
Format/cost: 16-sl-$25; rent $2
Distributors / rental: Not shown in source
Audience level: sh-c
Format/cost: 16-sl-$25; rent $2
Distributors / rental: Not shown in source
Sources
- Educational Film Guide 1946 — title, year, creator, length, format, description, catalog record
Record added 2026-07-02 14:42:44