COLEOPTERA OF BAJA CALIFORNIA, 237 



These characters have been passed in review with the 

 view of suggesting a modification of the arrangement of 

 the genera of Coprophilini as represented in our fauna. 

 In the table of the classification above quoted the " Oxy- 

 telini genuini " and " Coprophilini," as defined by Erich- 

 son (Staph,, p, 30), have been included in one group, 

 Oxyteli, but it now seems to me better to revert to the 

 Erichson method and separate the genera with five-jointed 

 tarsi from those with but three. 



The genera may be arranged in the following manner: 



TibiiB spinulose ou the outer edge. 



Anteniife gradually thicker, the outer five joints with sensitive punctu- 

 ation and piibescence. Coprophilus. 

 TibifB not spinulose. 



Maxillary paljai rather short and stout, the terminal joint shorter than 

 the third. AuteuncB with three outer joints obviously wider. 



Syntomium. 

 Maxillary palpi rather slender and elongate, the terminal joint longer 

 than third. 

 Gular sutures confluent at middle. 



Middle coxte cavities confluent. Antennse not stouter externally. Elytra 



not costate. Deleaster. 



Middle coxpb cavities distinctly separated. 



Antennfe with outer five joints stouter. Elytra distinctly costate. 



Zalohius. 

 Gular sutures separated their entire length. Middle coxse cavities sepa- 

 rated. 

 Maxillary palpi very slender. Outer four joints of antennas stouter. 

 Elytra costate. Asemobius. 



Zalobius is represented by two species, 



Zalobius spinicollis Lee, Trans, Am, Ent, Soc, 

 V, 1874, P- 49- 



Occurs from Vancouver southward to Santa Clara 

 (Ricksecker), PI. xx, fig. 8. 



Zalobius serricollis Lee. Loc. and cit,, 1875, P* 

 170, 



Collected by me at Fort Tejon, not Owens Valley, as 

 stated by LeConte. PI, xx, fig, 9. 



