Mymph 



Adult 



Fig. 205. — Dragonfly of the order Odonata (class Insecta) illustrating incom- 

 plete metamorphosis (development). The nymph (naiad) has large eyes and 

 dev'eloping wings. The naiad stage is aquatic in incomplete metamorphosis. The 

 adult shows large compound eyes and the characteristic jointlike nodus at the 

 front margin of the wing. 



Fig. 206. — Gradual metamorphosis of a grasshopper {Rhomaelia sp.). A, Egg; 

 B, n>TTiph just hatched; C-F, successive stages in development. (Original drawing 

 by Eleanor Sloan Hough, from White: General Biology, The C. V. Mosby Co.) 



