DYTISCIDAE. 



17 



punctulatus Anbe. 

 chevrolatii Aube. 



Aiiisomera Aube. 

 cordata Lee. 



Agabus Leach (em. Er 



subopacus Mann. 

 parallelus Lee. 

 hypomelas Mann. 

 seriatus Lee. 



Colymbetes seriatus Say. 



Ag. striatus Aubi. 



Ag. arctus Mels. 

 obsoletus Lee. 

 aeruginosus Aube. 



punctatus Mels. 

 punctulatus Aube. 

 laevidorsus Lee. 

 discolor Lee. 



Colyuibetes disc. Harris. 

 -morulus Lee. 

 glabrellus. 



Colymbetes gl. Motsch. 

 taeniolatus Lee. 



Colymbetes taen. Harris. 



Ag. taeniatus Aube. 

 lineellus Lee. 

 semipunctatus Lee. 



Colymbetes sem. Kirby. 

 confertus Lee. 

 semivittatus Lee. 



var. spilotus Lee. 

 stagninus Lee. 



Colymbetes st. Say. 



Ag. striola Aube. 

 gagates Aube. 

 nitidus Lee. 



Colymbetes nit. Say. 

 Obtusatus Lee. 



Colymbetes obt. Say. 

 -regularis Lee. 



Ilybius reg. Lee. 

 lugens Lee. 

 brevicollis Lee. 

 brachynotus Lee. 

 strigulosus Lee. 

 tristis Aube. 



var. dubius Mann. 

 scapularis Mann. 



var. anthracinus Mann. 

 morosus Lee. 

 fimbriatus Lee. 



reticulatus|| Aubz. 

 intersectus Lee. 

 griseipennis Lee. 

 bifarius L..C. 



Colymbete* bif. Kirby. 

 inscriptus Lee. 

 2 



