52 CtEodephaga — cakabidae. 



Pitch-brown, antennae, palpi, and legs brown-red. Tliorax 

 somewhat narrowed behind, posterior angles right angles ; 

 base strongly punctured throughout, with a deep longi- 

 tudinal impression on each side ; elytra elongate, with 

 strongly punctured striae, the third interstice with a single 

 impression near apex. L. 2| 1. Eather common. 



P. inaequalis, Marsh. 

 f). Prosternal process without a border. 



I, Episterna of metathorax much longer than broad. 

 1, Apical joint of palpi cylindrical, truncate. 



A A, Thorax with rounded or nearly rounded 



posterior angles and a depression on each side 



at base ; elytra with three impressions on the 



third interstice and rounded shoulders. 



Episterna of metathorax A^ery long ; elytra slightly 



sinuate before apex, disc iiat, sides steep ; insect winged. 



[Lypencs, Cliaud.] 

 Deep black, very shining. Thorax transverse, posterior 

 angles almost rounded, base with a deep, roundish depres- 

 sion on each side ; elytra elongate, almost parallel-sided, 

 with finely punctured striae. L. 5-h — 6 1. Not common. 



F. nterrimus, Payk. 



J5 1^, Thorax with shar^jly pointed (whether 

 acute or obtuse) posterior angles, a basal de- 

 pression on each side, containing two striae, and 

 a fold near the posterior angles ; elytra with a 

 very small tooth at the rounded shoulders. 



Tooth of mentum narrow, moderately deeply emarginate ; 

 insect generally winged ; anterior male tarsi rather strongly 

 dilated. [Omaseus, Ziegl.] 



f! ((. Legs black ; length 4i — 10 lines. 



.1 ((. Basal depression of thorax feeble ; the 

 two striae deep. 



Entirely black, with feeble lustre. Thorax almost square, 

 posterior angles riglit angles ; elytra with deep, smooth, or 

 very slightly punctured striae, interstices very convex. 

 L. 8— lU 1. Conmion. F. niger, Schal. 



J? h. Basal depressions of thorax deej). 

 A 1. Insect apterous. 

 Entirely Ijlack, moderately shining. Thorax ratlier 



