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 148
120 THE COLOURS OF ANIMALS off, and was placed in a dark box lined with black paper, but it subsequently deepened into a green … Fig. 28— The pupa of Peacock Fig. 29.— The pupa of Peacock Butterfly ; dark form ; natural Butterfly ; light yellowish-green size. form. pupa exactly like the others. Obviously the sur- roundings had exercised their influence before the pupa was removed. Experiments upon the chrysalis of the Small…
Animals · Insects
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
