FAMILY DYTISCIDAB. 



HYDROCANTHUS Say. 



1240 iricolor Say. com. Dec. i6-Mar. 26. 



LACCOPHILUS Lea. 



1242 maculosiis Gcr. com. Dec. 16- Apr. 22. 



1253 undatus Aub. com. Dec. 17-Mar. 24. 



HYDROVATUS Mots. 



1256 cuspidatus Ger. occ. Apr. 21- 



DESMOPACHRIA Bab. 



1262 convexa Aub. rare Apr. 21-H. 



BIDESSUS Sh. 



1275 affinis Say. rare Oct. 15-H. 



COELAMBUS Th. 



1284 inaequalis Fab. com. Dec. 13- Apr. 12. 



1302 picatus Kir. occ. Mar. 14-23. 



DERONECTES ^'/z. 



1304 catascopium Say. occ. Apr. 22-May 27. 



HYDROPORUS (7. 

 1314 undulatus Say. com. Dec. 13-Mar. 8. 

 1320 consimilis Lee. .com. Mar. 8-Apr. 12. 

 T331 solitarius Sh. com. Mar. 27- Apr. 21. 



1344 obsciiriis vS/. one Mar. 8-C. 



1345 tenebrosiis Lee. rare Feb. 25-H. & C. 



1346 signatiis Ma?:, two Dec. 13-C. 

 1352 tristis Pae. one May 14-C. 



1359 dichrous Mel. occ. Dec. 13-May 24. 

 12)66 modestus Aub. occ. Feb. 25-Mar. 24. 

 1368 oblitus Aub. one May 25-C. 



ILYBIUS £r. 



1389 biguttalus Ger. occ. June 25- 



COPTOTOMUS Say. 



1396 interrogatus Pab. com. Apr. 16- 



