—214— 



DYTISCIDAE. 



Agabus. 

 143-. = mutus - 



GYRINIDAE. 



Gyrinus. 

 1520. = 1521 



Hj'drophilus. 



- ftter Fhb. 

 1588 5 : belong 10 



Tropisternus Sol. ( 1 5 v J 

 icipalpis C/ttv. 



HYDROPHILIDAE. 



Limnebius. 



0249. polita Casey. 



9250. angustula Oas 



9251. alntacea 



9252. congenei 



. ; ;. coniciventris 



SILPHIDAE. 

 Silpha. 

 1 7 1 1 . raniosa S 

 aenescens 



SCYDMAENIDAE. 



Scydmaenus. 



1840. || = 1 econtei v 



Cholerus. 

 1853 = 1854. 



PSELAPHIDAE 



Batrisus. 



4 mendocmo Oast 

 255. zephyrin - 

 56. speculum Gasey. 



-.-. monticola Oa - 



_:- «•</. 



. -1916 belong to 

 Rybaxis S 13). 



Bryaxis. 



infini;a I ■• 



1926 — iu-7 

 Nisa 

 Reichenbachia Leach. | 1 | 



2 



2 - tumidicoj 

 informis 



9264. gracilicornis 



9265. nevaden?is | . - 



9266. fundata ' - 



9267. franciscana I 



1947 — 194S belong to 

 Nisaxis Gasey. 11946). 



1953 — 1 955 belong in 

 Sonoma Casey. (1952 

 Faronus J Lee 



1956 belongs 

 Oropus. Otu 



THchonyx : 



926S. convex - 

 9269, interrnptus Oasey. 

 270. abbrevial 



Trimium. 



