ho 
BUTTERFLIES AND MOTHS. 
made by grouping together colored scales in the same way 
as we frequently see upon the roofs of barns the year of 
their erection in colored shingles which strongly coutrast 
with the neighboring ones of different colors. Part of a 
wing,’ with some of the scales removed, as well as some of 
Fig.1.—Part of wing, showing arrangement of scales: 
a, individual scales, Greatly enlarged. After Packard. 
the scales, is shown in Fig. 1. The scales covering these 
insects doubtless strengthen and ornament the wings, and 
protect as an armor the body and legs. If we study the 
colors and markings of a lepidopterous insect, we can well 
imagine that both serve almost opposite purposes, both 
protect the insect, it is true, but in a different manner. In 
most cases the colors and markings are such that if the 
insect is at rest, they blend with the colors of the surround- 
ing objects. Persons that are in the habit of seeking for 
insects of this order, notwithstanding that they soon have 
their eyes thoroughly well trained, are frequently misled 
Fig. 3.—Clear-wing moths resembling wasps. Original. 
