EXPLANATION OF PLATES 

 PLATE I. (Frontispiece) 



FIGURE PAGE 



1. The Carpet Beetle 150 



2. The Twelve-spotted Diabrotica 165 



3. The Adalia bipunctata 153 



4. The Silver-spotted Skipper 260 



5. The American Copper 283 



6. The Red Admiral 270 



7. The Painted Beauty 270 



PLATE II. (Page 34) 

 The internal anatomy of a caterpillar. 



PLATE III. (Page 35) 

 The internal anatomy of a cockroach. 



