206 ANIMAL LIFE ~ 
butterfly, and put them, just. as they were about to change 
into pup@ or chrysalids, into various boxes, lined with paper 
of different colors. The color of the chrysalid was found 
(ligt Meese | 
Fig. 128,—Chrysalid of butterfly (lower left-hand projection from stem), showing pro- 
tective resemblance. Photograph from Nature. 
to harmonize very plainly with the color of the lining of 
the box in which the chrysalid hung. It is a familiar fact 
to entomologists that most butterfly chrysalids resemble in 
