72 



Genus 11. Catoptria, Gn. type cana Haw. 



The elongate cucullus appears to be the only distinguishing 

 character to separate this group from the preceding one, in 

 which the cucu.'Ius was markedly trigonate. 



Catoptria cana Hw. 3—2 



Costa incurved: sacculus curved, not geniculate, curving 

 gently to the cucullus. Socii rather long Cornuti long. 

 Ovipositor narrow, rods long. Ostium plate short, edges 

 and base indent. 



Catoptria fulvana Stph. 

 Costa slightly curved; sacculus curved, with a gentle bend 

 to the cucullus Uncus hardly produced; socii rather long. 



Catoptria scopoliana, Haw. 



Costa well curved inwardly; cucullus long and narrow, 

 drooping well below outer margin. Uncus slightly produced; 

 socii rather long. 



Catoptria parvulaiva, Wilk. 



The genitalia are smaller than scopoliani , otherwise there 

 is no perceptable difference in either sex. 



Catoptria expallidana, Haw. $~M 2—1 



Costa curved; cucullus rounded above, slightly drooping 

 below the outer margin. Uncus produced to a point; socii 

 very tapered. 



Ostium plate oblong, incurved on all four sides. 



Genus 15. Eucosma, Hb. type circulana, Hb. 



The extraordinary development of both male and female of 

 the single species ccccimaculana prevents us from including 

 it under the preceding genus. We have examined the male 

 of the Pennysylvanian species circulana and find that it is 

 co-generic with this species. As circulana Hb. is the type 



