Mayer. — Color and Color-Patterns. 
PLATE 3. 
To illustrate color-development in Callosamia promethea and Danais plexippus. 
Fig, 24. Enlarged view of pupal wing of C. promethea in the “ white stage.’ 
See p. 178. 
Pig. 25. Scale from wing of C. promethea in white stage of color-development, 
showing the total absence of pigment in the scale. See p. 178. 
26. Scale from light drab-colored area of mature wing of C. promethea. 
Fi 
Successive stages in the formation of color in pupal hind 
g 
Figs. 27, 36, and 25. 
wing of C. promethea. 
28, 37-40. Successive stages in the formation of color in the pupal fore 
wing of 9 C. promethea. See p. 179, 180. 
29, 30-35. Successive stages in the formation of color in the pupal wings 
of d C. promethea. (Figs. 20, 30-33, 35 fore wing; Fig. 34 hind 
Figs. 
Figs. 
, 
wing.) See p. 179, 180. 
and 41. Pupal hind wings of C. promethea, respectively mature d 
and 9. 
42-45. Successive stages in the color-development of D. plexippus. 
p. 180—181. 
Figs. 3. 
See 
Figs 
