DINEUTES MacL. 



1532 vittatus Gcr. com. May 6-June 3. 



1534 discolor Aub. occ. May 2-14. 



1536 assimilis Aub. com. Apr. 7-21. 



1538 emargiiiatus Say. abun. Apr. 19-May 24. 



nigrior Rob. local Apr. 2-C. 



GYRETES Bru. 



1540 sinuatus Lcc. occ. Apr. i6-May 11. 



FAMILY HYDRGPHILIDAEJ. 



HYDROPHITX^S Geo. 



1589 nimbatus Say. com.. Apr. 19-Nov. 25. 



1590 mixtus Lee. com. Apr. 19-Nov. 25. 



HYDROCHARIS Lat. 



1597 obtusatus Say. occ. Mar. 24-July 7. 



BEROSUS Lea. 



1609 peregrinus Hbst. com. Mar. 23. 



1613 infuscatus Lee. com Apr. 2-19. 



PHILHYDRUS Sol. 



1630 ochraceus M^/. occ. Apr. 20-Oct. 15. 

 1633 cinctns Say. one Jmie 4-C. 

 1636 perplexus Lee. com. May 8- July 6. 

 9315 hamiltoni Horn occ. July 6-7. 



CYMBIODYTA ^^J. 



9319 blanchardi Horn one Mar. -C. 



CERCYON Lea. 



1666 flavipes T^a^. com. May 28- June 23. 



1675 praetextatum Say. rare May 8-D. 



1677 ocellatum Say. one Jime ii-C. 



1678 pygmaeum ///. occ. May 6-June 8. 

 1680 anale Pae. occ. Mav i- 



9324 littoralis Gyl. com. May 22-June 25. 



9325 depressus 5'/£7. com. Jun. 4-July 8. 



CRYPTOPLEURUM Mnl. 

 1690 vagans L^c. one June 25-C. 



