Author: SUTHERLAND, N. S.
Title: The Methods And Findings Of Experiments On The Visual Discrimination Of Shape By Animals.
Description: 8vo; pp. iv, 68; references, subject index; green cloth, title in gilt on spine and front, insect damage and fading to cloth, a good copy. n.p. Printed: (Cambridge, W. Heffer & Sons), n.d.

Keywords: science technology animals nature experiments