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Credit
Die Entwicklung von Lichtsinn und Farbensinn in der Tierreihe : Vortrag gehalten bei der Versammlung deutscher Naturforscher und Ärtze in Wien am 25 September 1913 / von Carl Hess. In copyright. Source: Wellcome Collection.
Provider
This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)