TiiH (JUOi'Mt Mi;i;ri,i',s. 



93 



lliri (T)!.'. I. rii;K()STi('iii\s fORAC'iNUs Xt'wiii., lOiiloin. Mn.i;., 

 V, is:!s. .-.sc,. 

 El()n,i,'iiti'-<>\Ml. rntlicr lolmst. I'.lack. sliiiiiii.:; ; anttMinn' 

 anil lei;s ])i{-i'()iis. Tliorax <iua(lrate. somewhat narrowed bc- 

 liiiid, sides broadly rounded, hind ansjles ohiuse; basal ini- 

 pressions broad, deep, ru^'osely punctured. lOlytral stria> 

 deej). not punitured; intervals Hat or nearly so. Length 

 l."-17..") nun. (Fig. 58.) 



Throiighoitt the State, frequent; more so in the 

 northern eonnties. ^Fav 13-October 8. Occurs be- 



I' ig. 58. 

 (After Leng). 



neath logs and stones in open woods. In this and the 

 next two species the sid(^ margins of thorax are wider and more 

 retlexed than in any of those preceding; the two (rarely three or 

 foni-) dorsal pinicttires are located on the second stria, one before, 

 the other l)ehiii(l the middle. Tn one specimen from Cass County 

 there are four distinct dorsal pnnctui'es on the second stria. From 

 the keys, as usually given, it was at tirst referred to supercUiosus 

 Say. but tlie thorax is not narrowed behind as in that species and 

 the elytra are jet black, not puri)lish. I have concluded, there- 

 fore, that it is l)ut a sport of cormiiiu^, with which it agrees in all 

 other respects. 



7'. Jachi-iiiiio.^iis Newm. and r. siiiHrciUo.^ns Say, both 15 mm. 

 ill length, very ]U'obably inhabit the State. The former has been 

 taken by Dury at Cincinnati and the latter in INIichlgan. 



iL'd (.■■|4<'.). 1'ii;k()sii( in s siv(;i(i s Say. 'I'rans. Anier. I'liil. Soc.. 11. 1S2;;, 

 41 : ibid. II. 4()7. 

 Closely allied to tlii- preceding. Distinguished principally by the small 

 tuliercle in the thoracic impressions; carina of hind angles very short. 

 i:iylral intervals more convex. Length 14-lti mm. 



Very common throughout the State beneath logs. etc.. in open 

 woods. March 31-October 20. The so-called ''ttTbercle" is only 

 an elevated space between the two stria- of the basal impression. It 

 is my opinion that a large series of specimens will show coraciiiHS 

 to be only a form of stygiens, Say's name having priority. 



127 (547). I'TEROSTiCHis liF.i.icTrs Xewni.. Liitom. Mag.. ^'. ls;is. :tS7. 



Resembles both coidciitiis and sti/niciis. Thorax longer, more distinctly 

 narrowed behind and without carina at hind angle or tubercle in basal im- 

 l>ressious. the latter, therefore, being single. Elytral stria' deeper, with 

 narrower, much more convex intervals. Leiiglh 10 17 mm. 



Putnam, Vermillion. Vigo and Knox counties; scarce. INFay 25- 

 September 18. Occurs beneath stones in (k'cp ravines. 



