160 THIRTIETH REPORT ON THE STATE MUSEUM. [48] 



Catocalaconcumberis, August 26, 28; September 15. 



C. amatrix, August 21, 28. 



C. cara, August 18, 21; September 2, 15, 26, 27. 



0. cerogama, August 19, 26. 



C. neogama, August 25. 



C. habilis, September 15. 



C. antinympha, August 26. 



C. serena, July 24. 



C. Clintonii, July 17. 



C. poly ga ma, July 7*. 



C. pretiosa, July 8, 10, 17. 



C. nuptula, July 15, 20, 21, 23, 24, 27, 28, 30 ; August 



2, 5, 6, 7. 



C gracilis, July 21. 



Homoptera lunata, August 26, 30 ; Sept. 2. 

 Homopyralis tactus, July 7, 8, 10, 12, 13, 14, 15, 17, 20, 21, 23, 



24, 28, 30, 31 ; Aug. 2, 5, 6, 7, 16, 18, 19, 25. 

 Pseudaglossa lubricalis, July 17, 20, 21, 23, 27, 28, 30 ; Aug. 



5, 7, 16, 18, 19. 



Epizeuxis semulalis, July 28, 31 ; Aug. 5, 28 ; Sept. 9, 25. 

 Xanclognatha marcidilinea, Sept. 9. 

 Clanyma angulalis, July 17, 31 ; Aug. 2, 16. 

 Renia Belfragei, Aug. 26. 

 Renia centralis, Aug. 30. 

 Renia Isevigata, July 2. 

 Bomolocha abalienalis, July 21. 



Hypena humuli, Aug. 25, 30 ; Sept. 2, 7, 13, 15, 27, 29 ; Oct. 22, 

 Plathypena scabra, Aug. 21 ; Sept. 9, 13, 26, 27; Oct. 22, 24. 

 Tortricodes bifidalis, July 28 ; Aug. 6, 7, 19. 

 Philometra serraticornis, July 20. 



It will be observed from the above memoranda that a large 

 number of the species (no less than forty, or nearly one-third 

 of the whole) were quite rare, appearing on but a single even- 

 ing, and usually in a single example. This, however, may 

 not be taken as a measure of the actual rarity of the species 

 in this portion of the State of New York. For some of the 

 species other attractions would undoubtedly offer greater 

 inducements. Many species are extremely local in their oc- 

 currence, perhaps abounding in a limited locality, and hardly 

 to be found a mile or two distant. And again, the fact is well 

 known to collectors that with nearly all the Lepidoptera, a 



