DESCRIPTIONS OF NEW SPECIES. 179 



A. Middle and hiud femora produced at tip into two acute spiues; elytra 



bispino.se at tip ; 



a. Front coxae not angulated, fissure completely closed ; prothorax 



abruptly constricted before and behind, tuberculate and 

 strongly armed on the sides ; color piceous ; 

 Body glabrous above, slightly pubescent beneath, prothorax feebly grossly 

 punctured ; elytra with very small ivory spots of which the medial pair 

 and the outer basal one are frequently wanting. 1. Ulkei. 



Body densely and finely pubescent, prothorax with a few very large 

 punctures ; elytral spots small, distant, outer basal one sometimes 

 wanting, elytral spines equal. 2. perforata, n. sp. 



b. Front coxa? angulated ; prothorax densely and coarsely punctured, 



sides subtuberculate in front; lateral spine small, acute, dorsal 

 callosities denuded, color testaceous; 

 Lateral tubercle of prothorax very distinct ; elytra with outer spine 



shorter, and ivory spots smaller. 3. Haldemani. 



Lateral tubercle of prothorax feeble ; elytra with outer spine longer, and 



ivory spots larger. 4. quadrigeminata. 



c. Front coxae angulated ; prothorax densely and finely punctured, 



transversely impressed before and behind the middle, lateral 



spine acute ; color testaceous ; 

 Ivory spots very unequal, thoracic spine strong. 5. stigma. 



Ivory spots equal, large, thoracic spine very small, (femoral spines very 

 long). 6. DISTINCTA. 



B. Femora with short apical spines ; elytra obliquely truncate inwards at 



tip ; prothorax coarsely and densely punctured, rounded on the 

 sides, with two denuded dorsal callosities ; color testaceous ; front 

 coxae distinctly angulated. Pantomallus Lac. 



Ivory spots of elytra unequal. 7. ovicollis, n. sp. 



C. Femora without spines, apical angles obtuse; elytra transversely sub- 



truncate; prothorax with four dorsal callosities before the middle, 

 lateral spine very small, (front coxae not angulated) ; 

 Abdomen densely, but equably and less finely punctured ; sides of 



prothorax much rounded in front of the spine. 8. tdmida, n. sp. 

 Abdomen unequally punctured ; sides of prothorax very feebly 

 rounded in front ; 

 Ivory spots geminate, apex of elytra truncate. 9. mutioa. 



Ivory spots single, apex of elytra nearly rounded, with a small 

 sutural spine. 10. manca. 



1. E. Ulkei Bland, Proc. Am. Ent. Soc. Phila., i. 270; Lower 

 California, Cape San Lucas, Mr. Xantus. The antennal tuber- 

 cles are very acute and elevated, the 1st joint of the antennae is 

 in the % stouter, flattened or feebly sulcate in front, and the 11th 

 joint is longer than the 10th. 



