OOLEOPTERA— CARABID.E. 529 



but without more material it seems uuuecessary to name it, or guess as to 

 its affinities." Horn, loc. cit. 



Besides the two elytra referred to above J)r. Horn has sent me 

 attached to the same card another elytron, better preserved, but with the 

 apex lacking; the chitinous portions of" the other fragments perfectly 

 resemble this, and there can scarcely be any doubt that they belong together. 

 This new fragment is of a piceous color. There are nine stria-, counting 

 the one next the outer edge; the interspaces are OIj""" broad, moderately 

 convex, smooth, but with transverse impressed lines at very irregular and 

 rather infrequent intervals, which can hardly be due altogether to preser- 

 vation, as they seldom or never cross continuously two contiguous inter- 

 spaces ; the striaj are deep, faintly margined at the bottom, but in none of 

 them, nor in any of those in the specimens described by Dr. Horn, can I 

 discover the slightest sign of punctures. 



Length of this elytron (fragmentary), 6.5""" ; breadth of same (com- 

 plete), 2.5""; width of the two contiguous elytra, 5.5""™. 



With this additional knowledge it seems worth while to restore the 

 name Dr. Horn once thought of employing. 



Bone caves of Port Kennedy, Pennsylvania. 



Pterostichus ? sp. 

 PI. 1, Fig. 5. 



Pterostichus f sp. Horn, Trans. Amer. Ent. Soc, V, 243 (1876). 



" The greater portion of two elytra with the basal and apical ends 

 wanting, indicate a form of larger size than any of our eastern species of 

 Pterostichus. The elytral substance is in extremely bad state, being 

 wrinkled and cracked in such a manner'as to render a description of its sur- 

 face impossible. It may be a Lophoglossus." Horn, loc. cit. 



There are eight stria; besides that at the outer edge ; the interspaces 

 are 0.42""" in width, more flattened than in P. la?.vigatus, broken into innu- 

 merable fragments, like sun-dried mud, resulting in a dead-black color, but 

 with no indications that the surface was otherwise than quite smooth. The 

 length of one of the elytra (the base broken) is 10°"° ; its width (complete) 

 3.2.5"^'", 



Bone caves of Port Kennedy, Pennsylvania. 



VOL. XIII oi 



