DYTISCIDAE. 31 



lugens Lee. Ann. Lye. 5, 203. 

 semivittattis Lee. ib. 204. 

 lutosus Lee. (discolor ||) Ann. Lye. 5, 204. 

 morosus Lee. ib. 



dubius Mann. Beitrag, 221. 

 hypomelas Mann. ib. 



MatusAube. 

 bicariuatus Say, Am. Phil. Tr. 2, 08. Aube, Hydr. p. 393. 



Copt otomus Say. 

 interrogatus Fabr. El. 1, 267. Aube, Hydr. p. 393. vemtslusS&y, Am. 



Phil. Tr. 2, 98; J. Acad. 3, 152 (Colymbetes). 

 difiicilis Lee. Ann. Lye. 5, 204. 

 lougulus Lee. ib. 205. 



Cope! at IBS Erichs. 



glyphicus Say, Am. Phil. Tr. 2, 99. decemstriatus Aube, p. 379. 

 punctulatus Aube, Hydr. p. 381. 

 ChevrolatiiAube, p. 389. 



LaccopIlilllS Leach. 



maculosus Say, Am. Phil. Tr. 2, 100. Germ. Sp. Nov. p. 30. Aub^, p. 421. 

 fasciatus Aube", Hydr. p. 423. 



proximus Say, Am. Phil. Tr. 2, 101. liguttatus Kirb. N. Z. G9. ameri- 

 undatusAube, Hydr. p. 435. [cams Aube, Hydr. p. 422. 



rufus Mels. Pr. Acad. 2, 28. 

 decipiens Lee. Ann. Lye. 5, 205. 



JVotcrilS Latr. 

 bicolorSay, Am. Phil. Tr. 4, 44G. 



Hydrocantlius Say. 

 iricolorSay, Am. Tr. 2, 105. Aube 1 , Hydr. p. 405. 



Supllis Aube. 

 gibbulus Aube", Hydr. p. 414. 



Hydroporus Clairv. 



undulatus Say, Am. Phil. Tr. 2, 102. J. Acad. 3, 154. velutinusAube, 



Hydr. p. 481. pubipennis Aube, Hydr. p. 480. 

 aulicusAube, Hydr. p. 572. 



oppositus Say, Am. Phil. Tr. 2, 102. proximus Aube, Hydr. p. 483 var. 

 parallelus Say, J. Acad. 3, 153. Kirb. N. Z. 67. interrupts S&y, Am. 

 laevisKirb. N. Z. 67. [Phil. Tr. 4, 445. 



