230 CAI.IFORNIA ACADEMY OF SCIENCES. 



CURCULIONIDyE. 



Cleonus quadrilineatus Chev. Kansas, Texas, New 

 Mexico, Arizona. Sierra San Lazaro. 



Otidocephalus alternatus n. sp. La Paz. 



Otidocephalus sparsus n. sp. Cape Region, probably. 



Conotrachelus lucanus n. sp. San Jose del Cabo. 



Zascelis oblonga n. sp. Arizona. Sierra San La- 

 zaro. 



Copturus sobrinus n. sp. La Paz, Sierra San La- 

 zaro, Sierra El Taste. 



SCOLYTID^. 



Xyleborus sp. Closely related to xylograrphus, and a 

 little larger. One specimen. San Jose del Cabo. 



DESCRIPTIONS OF NEW SPECIES. 



The following pages contain descriptions of those indi- 

 cated as new in the preceding list, together with notes on 

 some previously recorded. I have availed myself of the 

 kind permission previously accorded by the publication 

 committee and have added descriptions of a few species 

 from related regions. 



Bembidium jucundum n. sp. 



Form of axillaris, but somewhat more robust, piceous, 

 shining, head and thorax slightly bluish-green, elytra with 

 a broad pale vitta with irregular sides extending from base 

 to apex between the third and seventh stri«. Antennae 

 and palpi testaceous. Head smooth, polished, frontal 

 striae double, convergent, eyes large and prominent. 

 Thorax nearly twice as wide as long, sides moderately 

 strongly arcuate and narrowing posteriorly, hind angles 

 scarcely evident, not carinate, base with short peduncle; 

 disc convex, polished, median line extremely fine. Elytra 



