192 ON STRIDULATION IN CERTAIN LEPIDOPTERA. [Mat. Ij 



Fig. 4. 



Paiula and Argiva. 5 . 

 Hind wing. 



Fig. 5, 



Patula macro-ps. c? . 

 Hind wing. 



Fis. 6. 



Argiva hieroglyphica. J . 

 Hind wing. 



