200 



nor uiedian cross-veins. The fourth cuhital vein lies close to, 

 and parallel with, the second anal vein, and together they form 

 the claval suture, the second and third anal forming the first 

 and second claval vein. 



In nsing the neuration of li<»in(»j)t(M-a for systciiiaric [)nri)Oses 

 care must be exercised in the selection of the characters used, 

 especially for generic purposes, as there is a fair amount of 

 variation, as in tlie wings of all insects. 



Kxi'l.AXATloX Ol' 1*1, ATI'. •>. 



1. Xymphal tegmen of Perkinsiella saccharlcida, showing 

 tracheae. 



2. Immature adult tegmen of same. 



3. Head of Cochise , front view. 

 3a. Ditto, profile. 



4. Head of BeJocera, front view, 

 ■ia. Ditto, profile. 



o. Head of Geoneossus, front view. 



0. Tegmen of Geoneossus. 



7. Male pygophor of TropidocepJiala saccharicola, side 

 view. 



7a. Ditto, full view. 



8. Right genital style of T. neoelegans. 



9. Male pygophor of T. f estiva ( ?), side view. 

 9a. Ditto, full view. 



10. Ditto of T. atrata ( ?), side view. 

 10a. Ditto, full view. 



11. Right genital style of T. neoamboinensis. 



12. Ditto of T. amboinensis. 



13. Antenna of Perimececera. 



C — costa, SC — subcosta, R — radia, M — media. Cu — cu])ital, 

 CI — claval. An- — anal, MS — median sector. 



One New Genus And Eighteen New^ Species of Hawaiian 



Moths. 



BY O. H. SWKZF.Y. 



During the past three years, in rearing moths from cater- 

 pillars found in the mountains and elsewhere, I have discovered 

 a number of species not hitherto described. I have for descrip- 

 tion also a number of new species foiuid amongst a lot of spe- 



Proc. Haw. Eiu. Soc. II. No. 5, July. 1913. 



