No. 2305. ON SOME FOREST LEPIDOPTERA—HEINRICH. 93 



Sc Sacculua of harpe. 



Se Sicae (name proposed for ventral clasper like organs projecting backward 



from vinculum in some Gelechiidae). 

 Si Soci. 



Sp Thornlike spine in anal angle of harpe. 

 A FJ/J Eighth abdominal segment of moth (a prominent^and highly modified part 

 of genitalia in some Gelechiidae). 

 Tg Tegumen. 

 Ts Transtilla. 

 Vm Vinculum (=saccus of Pierce: Geometridae). 



U Uncus. 



Plate 1. 



Male genitalia (Family Olethreutidae). 



Fig. 1. Evetria ulteriorana, new species. 



2. Evetria colfaxiana coloradensis, new variety. 



3. Evetria luculenlana, new species. 



4. Evetria albicapitana arizonensis, new variety. 



5. Evetria albicapilana Busck (right harpe, aedoeagus, and right half of tegumen). 



6. Eucosrna monitorana, new species. 



7. Eucosrna rescissonana, new species. 



Plate 2. 



Male genitalia (Olethieutidae and Phaloniidae). 



Fig. 8. Eucosina tocullionana, new species. 



9. Laspeyresia pallidibasalis, new species. 



10. Laspeyresia pallidibasalis (aedoeagus) 



11. Commophila infernalis, new species (ventral \aew of organs spread). 



12. Commophila viacrocarpana Walsingham (lateral view of organs unspread). 



13. CommopJialia infernalis (lateral view of organs unspread). 



Plate 3, 



Male genitalia (Gelechiidae). 



Fig. 14. Gelechia penculella Busck (ventral view of organs with modified eighth 

 abdominal segment and aedoeagus removed). 



15. Gelechia pericidella Busck (aedoeagus). 



16. Gelechia nigriviacxdella Busck (posterior half of tegumen ehovnng uncus and 



gnathos). 



17. Gelechia negvndella, new species (eighth abdominal segment and aedoeagua 



removed). 



18. Gelechia 7iegundeUa, new species (aedoeagus). 



Plate 4. 

 Male genitalia, etc. (Gelechiidae). 



Fig. 19. Tosca phitonella, new species (lateral view of male organs unspread). 



20. Tosca plutonella (ventral view of organs imspread). 



21. Tosca plutonella (venation of wings of moth). 



22. Evippe prunifohella Chaml:)ers (lateral view of part of genitalia showing 



tegumen, uncus, and gnathos). 



23. Gelechia natalis, new species (detail of genitalia, ventral view, showing uncus 



and gnathos). 



24. Gelechia natalis (gentalia, ventral view, unspread) 



