64 Cincinnati Society of Natural History. 



NEW SPECIES AND ADDITIONS TO THE LIST OF 

 CINCINNATI COLEOPTERA 



By Chas. Dury 



Family Pselaphidae 

 Batrisodes caseyi, sp. nov. 



Color, bright rufous. Pubescence not dense, recurved and 

 rather coarse. Length, 3mm. Head as wide as long. Eyes 

 small, but very prominent. Occiput, high and rounded, de- 

 scending to the frontal and lateral margins, from which it is 

 separated by a shallow sulcus, crescentic in shape. Last pal- 

 pal joint is oval, bluntly pointed, more rounded on outer side 

 and three times as long as thick. Antenna stout, less than one- 

 half as long as body. Eleven- jointed : 1st joint thick, larger 

 than wide; 2d, 3d, 4th, 5th and 6th joints subequal transverse 

 and almost as wide as the first joint; 7th and 8th joints small 

 and transverse; 9th and 10th joints larger, strongly transverse 

 and subequal in size; 11th, with base rounded and apex point- 

 ed, as long as the 8th, 9th and 10th together. Prothorax slight- 

 ly longer than wide, widest in front of middle. Base ^squarely 

 truncate, with sharp angles, and trifoveate, with canal connect- 

 ing the foveae. A deep, median groove running from middle 

 fovea almost to apical margin. Elytra about twice as wide as 

 thorax, with suture beaded and minutely, sparsely punctate. 

 Legs rather thick, with femurs strongly clavate. The anterior 

 pair angulate on lower edge. Hind tibiae compressed and 

 curved ; claws, two, unequal. Three specimens from Cincin- 

 nati, Ohio, and one from Indiana (Prof. Blatchley). The 

 very small 7th and 8th joints of the antennae of male is a char- 

 acter that readily separates this species from any described 

 form that I know of. Dedicated to Thos. L. Casey, of Wash- 

 ington, D. C, who has done so much to make known the curi- 

 ous little organisms belonging to the family Pselaphidae. 



22 



