The colours of animals : their meaning and use, especially considered in the case of insects (1890)
Poulton, Edward Bagnall, Sir, 1856-1943 · New York : D. Appleton · leaf 171
VAEIABLE PEOTECTIVE KESEMBLANCE IN INSECTS 143 spun in white surroundings in a strong light (see fig. 82). 1 In this case it seems almost impossible for the surrounding colours to influence directly the colour of the cocoon. It is necessary to assume the existence … Fig. 31.— The cocoon of Emperor Moth Fig. 32.--The cocoon of Emperor Moth, (S. carpini), spun in a black calico spun on a white surface in strong bag ; natural size, although an excep- light ; natural size, tionally small cocoon. of a complex nervous circle as a medium through which the stimulus of…
Animals · Insects
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
