COLEOPTERA OF BAJA CALIFORNIA. 381 



In the male the last ventral segment is acutely emar- 

 ginate. 



Two specimens have been seen. One is entirely 

 piceous, including the antennae. A second has the three 

 basal joints of the antennae paler, the abdomen in great 

 part, and the femora entirely yellow. 



Cariboo District of British Columbia. From Mr. Chas. 

 Fuchs. 



Cephaloon bicolor n. sp. 



Form slender, elytra, metasternum, and spots at sides 

 of abdomen piceous, surface densely, finely punctured, 

 clothed with very short and fine pubescence. Antennae 

 slender, longer than the head and thorax, piceous, the 

 three basal and three outer paler. Last joint of maxil- 

 lary palpus triangular, apical side arcuate. Length 

 . 42-. 48 inch. ; 10. 5-12 mm. 



The male has the last segment triangularly notched. 



Two specimens have been seen. The male is entirely 

 yellow beneath, the female has the metasternum and oval 

 spots at the sides of segments 2-3-4 spiceous. 



Sonoma and Placer Counties. From Mr. Chas. Fuchs. 



