PLATE I 

 Frontispiece 



TRANSFORMATIONS OF THE MONARCH 

 (See page 204) 



Fig. 

 i. Full-grown larva. 



2. Larva preparing to transform. 



3. Chrysalis. 



4. Empty chrysalis skin and butterfly. 



(From photographs by Professor M. V. Slingerland, colored by Mrs. Slingerland.) 



