WING SCALES OF LEPIDOPTERA. 



215 



hue and shade, should produce the extreme diversity in 

 markings and patterns which are found in the Lepidoptera, 

 the less so when it is seen, as revealed by the microscope, 

 that the separate scales are often of more than one 

 colour. 



It is through the means afforded them by the diversity 

 and variety of scales that some butterflies have assumed 

 a superficial resemblance to one another. 



Fig. 13 illustrates two of the inedible South American 

 butterflies, one of the Heliconince, Hcliconins pardaliniis, and 

 one of the DanaiucF, MelincEa pardalis. Beneath them 



Csa nO/ttWuA Gen iMiAUrwv*, 

 Fig-. 14. 



V 15 



Gen fitAX/r-Ui. 



I . I and I . 6 are shewn respectively, magnified portions 

 of the wings of these insects, and it will be seen how very 

 different in pattern, size, shape and arrangement the 

 wing-scales are, whilst the butterflies are closely alike in 



