COLKOPTKKA <' 



I >IC\LUS S|). 



PI. i. Kin. 15. 



Dicalut sp. Horn, Trans. Amer. Ent. Soc., V, 244 (187fi). 



" Another species of much smaller size than the preceding [D. alutaceus 

 Morn] is indicated bv an impression of the greater part of both elytra ami 

 a verv small fragment of one elytron, resembling D.elongntus. The carimi 



a|)|tcar> to IK- of similar length and the intervals moderately convex, equal 

 and smooth 



No measurements can be given as 1 have not sullicient material mi 

 which In liase them and I must also leave the species nameless." Morn. 



loc cit. 



I have M-en onlv the specimen figured. The surface sculpturing is the 



same as in I >. alutaceus, but the species being smaller the striu- are of com -> 

 closet- ; but iii addition to this there are more of them, as there are nine in 

 all ; their average distance apart in the middle of the elytron is 0.4"" The 

 width of the two elytra together is 7""". 



The fragment is too imperfect to require a name at present. 



Hone caves of Port Kennedy, Pennsylvania. 



ITEKOSTK MIl'S Honelli. 

 I'TEROSTICHTS AHROGATUS. 



PI. 1. I'ix. .''.!. 



A fragment of an elytron indicates a species closelv allied to P. herru- 

 laneii^ Mann in elvtral structure and o| probably about the same si/.e 

 The sntural >tria is similar: there are the same broad and deep, simple 

 stria-, onlv they are, if anything, broader and deeper in the fossil. The 

 jnter>paces are, however, Hatter than in the recent species, and the intimate 

 texture of the -nrlare, instead of showing a verv distinct reticulation "I 

 minute imbricated cells with sharply defined walls, is almost entirely smooth, 

 the fainteM -i'jn only of such tracerv being visible with strong magnilica- 

 tion. The lir>t >tria is also at an unusual distance from the marLrili. The 



Ci llof IS jiicei Hl^ 



Length ot fragment, ">'"" : \\idth of same, 2""": presumed length ..i 

 i-h'tron. 7.. r )""". 



[nterglacial da\> ol Scarbdro, ( Intario. I hie specimen. No 1 I 

 < . .1. Mind, 



