COLEOPTERA OF BAJA CALIFORNIA. 369 



Corylophidae. 

 Sacium hemipterum n. sp. San Jose del Cabo. 



Endomychidae. 

 Epipocus unicolor Horn. Arizona. San Jose del Cabo. 



Cucujidae. 



Laemophloeus sp. Partly immature. San Jose del 

 Cabo. 



Silvanus rectus Lee. Texas, Arizona. Sierra San 

 Lazaro, San Jose del Cabo. 



Monotomidae. 



Monotonia picipes Hbst. Atlantic region, Texas, British 

 Columbia, California. San Jose del Cabo. 



Throscidae. 



Throscus chevrolati Bonv. Pennsylvania to Utah and 

 Texas. San Jose del Cabo. 



Histeridas. 



Epierus regularis Beauv. Florida, Texas, Arizona, 

 California. San Jose del Cabo. 



Saprinus alienus Lee. San Diego, California. Co- 

 mondu, Baja California. 



Buprestida?. 



Pcecilonota cyanipes Say. Canada, Colorado, New 

 Mexico. San Jose del Cabo. 



Lampyridas. 



Mastinocerus sp. Allied to texauus, and may not differ, 

 but the condition of the specimen will not warrant an 

 assertion. San Jose del Cabo. 



