COLEOPTERA OE BAJA CALIFORNIA. 313 



HALIPLID^. 



Cnemidotus simplex Lec. Southern California. San 

 Jose del Cabo. 



DYTISCID^. 



Hydrocanthus iricolor Say. Illinois to Texas, 

 Mexico. Santa Anita. 



Hydrovatus major Shp. Guatemala. Santa Anita. 

 The identification is not certain. The description is so 

 very brief as to make comparison necessary. 



Canthydrus lineatus Horn. Collected by Mr. Gabb 

 in Baja California. Special locahty unknown. 



Laccophilus decipiens Lec. Vancouver southward. 

 Baja California (Gabb). 



Laccophilus pictus Lap. Mexico from Puebla to 

 Guatemala. Baja California (Gabb). 



Laccophilus terminalis Shp. Texas, Fort Yuma, 

 Guanajuato, Mexico. Baja California (Gabb). 



Desmopachria dispersa Cr. Texas, Arizona. Baja 

 California. 



BiDESSus ciNCTELLUS Lcc. Southern California, Riv- 

 erside, Ariz. Baja California (Gabb). 



BiDESSUS AFFiNis Say. Widely distributed. Vermont 

 to Oregon, California, Arizona. Baja California (Gabb). 



BiDESSUS AMANDUS Lcc. Southern California and 

 Arizona. San Esteban. 



Hydroporus funereus Cr. Baja California. 



Hydroporus addendus Cr. Arizona. Baja Califor- 

 nia. 



Hydroporus vilis Lec. Washington, Oregon, Cali- 

 fornia, Arizona. La Joya. 



