Studies in Reptilian Colour Response: II. The Role of Retinal and Dermal Photoreceptors in the Pigmentary Activity of the Chameleon..

[kinyonga]

This study is dated 1935!!
“Blind animals under the same conditions behave in a similar way”…
https://journals.biologists.com/jeb...es-in-Reptilian-Colour-ResponseII-The-Role-of