14 



WILLIAM T. M. FORBES 



more or less arbitrary process. Thus the butterflies (Rhopalocera) 

 have been placed at the end, as furthest developed of all, but the 

 relationships of the base of their stock are clearly with the Cossidffi- 



Nocfc/o/dea 



Prepor?otdea 

 Geometrrdoe 



Casfai/dae 



.1 

 Coss/cfcre 



Yponomeui'oic/ea Gefech/oic/ea 



Nepticu 



Hepia/idae 



Ertocran't'cfae 



. - 



M/'cropferyyidae 



MEUffOPTERA 



FlG. 1. GENEAIXX3Y OF THE LEPIDOPTESIA 



At the time of preparing this chart I was unable to place the Pyralidoidea. I now believe they should 

 be derived from the Yponomcutoidea 



