39^ 



ENTOMOLOGICAL NEWS 



[Nov., '15 



HOMOLOGIES OF THE PRINCIPAL LONGITUDINAL TRACHEAE OF ©DONATE 

 LARVAE AS DESCRIBED AND FIGURED BY DIFFERENT AUTHORS. 



* Roster has applied the terms esterno ^ esterni. to both of these tracheae. 



+ Bervoets adds (p. 18), " Cette pair de troncs . . pourrait ^tre appel^e viscerale. 

 Chez les Anisopt^res, ces troncs se croisent sur le ventricule chylifique." I think, how- 

 ever, that he is in error in this homologization. 



