New Species of Slaphylinidac from Singajiorc. 363 



Priochirus Sharp. 



1. Front of the head with a tooth in the 



middle (Sub-gen. Triacanthus) and one 

 on either side, all of about equal 

 length ; sides of the thorax uniformly 

 punctured; femora pitchy-black. 

 Length 7 to 8 mm. . [tridens Motsch.) v. insularis Bernh. 



— Front of the head with a deep excision 



in the middle line (Sub-gen. Ceplialo- 



tnerus Bernh.). 2. 



2. Frontal excision deeper; lateral teeth 



separated by a broader and deeper 

 excision from the central ones ; thorax 

 much more transverse . . . hopliles Fauv. 



— Frontal excision less deep : lateral teeth 



separated by a smaller and shallower 

 excision from the central ones ; thorax 

 less transverse .... pyginaeiis Kr. 



Ancaeus Fauv. 

 1. Head, thorax and elytra with very 

 indistinct ground sculpture; species 

 testaceous, larger, more shining; 

 thorax much more transverse . . exigzms Er. 



— Head, thorax and elytra with very 



distinct longitudinally strigose ground 

 sculpture; species usually pitchy- 

 brown, smaller^ less shining; thorax 

 much less transverse . . • (1) singularis Cam. 



Holosus Motsch. 

 1. Elytra without elevated lines or keels; 



fades of Tacliyponis . . tachyporiformis Motsch. 



— Elytra each with two elevated lines or 



keels ...... plicalus Bernh. 



Lispinus Er. 



1. Posterior angles of the thorax scarcely 



impressed. 2. 



— Posterior angles of the thorax distinctly 



impressed. 3. 



2. Sizelarger (3-5 mm.); abdomen distinctly 



but sparingly punctured ; antennae 



ferruginous ..... coarclicollis Kr. 



