!);]8 FA:\irLY l. — scakab.tjd.v.. 



XIV. 0D0NT.4-:rs Meg. 182]. ((4r., ";i tooth.") 



Eyes completely divided ; luicUUe coxa* eontiguons without a 

 tooth-like elevation on tlie ])ro('ess between them. The males have a 

 long, slender, curved horn arising IVom the clyi)eus. Two of the 

 three known Xortli American species have heen taken in the State. 



1770 ^'J'/J^2). Odoa't.eis fhjcornis Say. Jouru. Phil. Acad. Nat. Sci., Ill, 



1823, 211; ibirl. II, 136. 



r.rciidly iivnl. cuiivcx. rnirnnii i);tle chestmil-hr iwii, iiiak' : lirnwuish- 

 yclldw. rciinilc. Clyiicns with a sicuder. curved, ludvahle horn, iDimci- 

 than the .u'reatest width nf head. Thorax of male with a deep median 

 groove on basal two-thinls, a broad pit each side, bordered externally by a 

 sharp longitndinal ridge, the groove and pits sparsely and coarsely punc- 

 tured; female with median groove less wide and deep, the pits obsolete; 

 the sides more densely ;Mid coarsely punctured than in male. Elytra each 

 with n or 12 sliallowly impressed, coarsely punctured striie. Length (i- 

 8.5 mm. 



Frefpient about ITessville, Lake ('onnty; one specimen from 

 Vigo County. IMay O-.iuly 16. Occnrs Ix^neath logs and other 

 cover in sandy localities. 



1771 (5593). Odont.eis cornigekis Melsh., Proc. Phil. Acad. Nat. Sci., II. 



1844. 138. 

 Resembles fiUcornis but larger and more robust. Horn of clypeus of 

 male stouter and not movable. Thorax of male with median groove shorter 

 and wider, the pits on each side very large, reaching nearly to base, their 

 outer margin not limited by a sharp ridge; a stout retlexed horn in front 

 of each pit. Elytra as in filicornis. liCngth 10 mm. 



One male from Vigo County. Sei^temher 28. Taken from he- 

 iicath a i)artly buried log in iiphind. sandy woods. Female not 

 seen and, as I'ar as T can ascertain, not described. 



XV. (JiKiTKTi'ios h'ab. 17!)S. {{\\\, "Ibe earth I bore.") 



!Mcdiiim-si/('(K br(»adly o\al species, \ar>'ing in coh)r from black 

 to dark inetallic green or [)tirple. They ha\'e the antenna! i-lul» 

 small, \\ith the plates ol' e(|nal thickness. Some of them ai'e \'ery 

 common s|)ecies, occtirring nndei' <ow dung, in pasttires, often bur- 

 rowing into the ground beneath. Of Hie 11 species known from 

 North America, three have been tai^eii in the State, while another 

 doubtless occnrs. 



KEV TO INDIANA SPECIES OF OEOTRI'PES. 



(I. Body above shining, more or less metallic; elytra distinctly striate. 

 I). Strife of elytra without imnctures : head witliout tul)ercles; basal 

 marginal line of thorax absent. semiopacus. 



