01062cam a22002171 4500 sg 24000082 DLC 20260227112739.0 771101s1924 stka b 000 0 eng c sg 24000082 Library, U.S. Surgeon-General's Office Library CtY DLC Hogben, Lancelot Thomas, 1895-1975. The pigmentary effector system; a review of the physiology of colour response. By Lancelot T. Hogben ... [Foreword, by Sir Frederick Keeble] Edinburgh, London, Oliver & Boyd, 1924. xi, 152 p. illus. 23 cm. Biological monographs and manuals, no. 1 "Selected list of references": p. 145-149. "The colours of animals and the changes which they undergo in response to environment [have] attracted the attention and excited the imagination of observant men. Chief among those who have made clear the dark ways of colour change in animals is the author of this volume."--Pref. Animals Color. Color. 90219 90219