COLEOPTERA OF BAJA CALIFORNIA. 335 



Glaresis mendica Horn, i\rizona. Baja California 

 (Ulke.) 



Chnaunanthus discolor Burm. Occurs throuo-hout 

 Mexico. San Luis, Comondu, Calmalli Mines, San 

 Jorge. 



This species varies in color. It ma}^ be entirely black, 

 or with the head and thorax dark and elytra testaceous, 

 the latter often darker along the suture and sides. 



It seems to have escaped observation that the sexes are 

 very readily separable. The males have no anterior tibial 

 spur and the p3^gidium as long as wide and regularly 

 convex. The female has an anterior tibial spur, the 

 pygidium broader than long and slightly concave near 

 the apex. 



Oncerus convergens n. sp. Calmalli Mines. 



DicHELONYCHA piCEA n. sp. San Jose del Cabo and 

 El Chinche 2,000 feet. 



DicHELONYCHA pusiLLA Lec. Southern California. 

 San Pedro Martir. 



Serica mixta Lec. California, Nevada. San Pedro 

 Martir. 



Serica pilifera n. sp. Santa Maria. 



DiPLOTAxis PUNCTULATA n. sp. San Jose del Cabo 

 and Coral de Piedra. 



DiPLOTAxis mcerens Lcc. Southern California. Cal- 

 malli Mines, Santa Maria. 



DiPLOTAXis TRiSTis Kby. Lake Superior, Middle 

 States to Colorado and Texas. San Jose del Cabo. 



DiPLOTAxis ANGULARis Lcc. Arizona. Cabo San 

 Lucas, San Jose del Cabo. 



