'I'liM i.A.MiiM.icoK'x i;1':!:ti,I':s. 985 



si);irs('ly puiict.-ilc witli tiiici- piimtiircs intcfininiilcd. lOlyIrn .is wide :il 

 liasc ;is tlmrax. willi a distincl tdoth <iii cacli Imniciais; stria- deep and siili- 

 ciTiiatcI.v pi II Ml ah- ; iidcrsa Is iicaii.v Hal. sii.irscly and liiiclx piiiicl.alc. licu^lli 

 7 !) iiiiu. 



Oranj^v County; .scarce. S^cpicinlicf I). 



.1. JiKnirraJis' 1ah\, ])lack, shiiiiiii;-. ci\tral sti-iu' line with lar^c 

 round (listaul punctures, is k'liow ii from Detroit, Micliiiiau, and 

 .Maryland. 



Trilte Til. OliniXINT. 



'I'liis tril)e is represented in the !'niti<i States hy a single genus 

 <"oniprisiiig oval, conve.x species, cevered ahove with shcn^t, erect 

 hairs. '^I'hey Ikinc the niandihies and lal)runi (»!' iioi'iidiko texture, 

 not covered 1)\ tlu' clypeus. which is not e.\[)ande(_l as in the two 

 preceding trihes; ant(>nna' iMjdintcd, clul) three-jointed; eyes not 

 emarginate; front coxa- pi'oininent ; middle coxje ohlicjue, contigu- 

 ous; elytra striate, covering tlie abdomen; ventral segments six, 

 not firmly united; tarsi with a snuill seta?-bearing process between 

 the claws. Tbe principal ])ai)ers ti'eating of the North Amei-ican 

 species ai"e as follows: 



Horn. — "Ocbodieus — Synoptical Taljle of," in Trans. Amer. 

 Knt. Soc, II, 1868, 50-52. 



Horn. — ''Revision of tlu^ U. S. Species of Ocboda-us and other 

 Genera of Scarabicidrt', " in Trans. Amer. Ent. Soc., V, 1870, 

 177-197. 



XI. Ociion.Krs Sei'v. 1S27. (dr., "to carry } tooth.") 



To this genus, as characterized above, belong eight species, onl.v 

 one of which occurs east of the Mississippi. 



17(17 (r)r)78). OcnoH.EUS miscilus Say, P.ost. Jourii. Nat. Hist.. I. 18:^5, 

 178; ibid. II, 052. 

 Oval, cdiivex. Uniform reddish- or claestnut-bi-owii. sparsely clotlied 

 with sliort erect hairs. Head coar^el.v punctured: clypeus witli a double 

 iiiargiu. the ujiper one forming a curved carina ; vei-tex with a feeble trans- 

 vei'sc carina. Thorax three times as wide as lenix. sparsel.v punctured in 

 male, more densely in female: a rounded impression on tlie middle of each 

 side. Elytral stritne rather closely punctured: intervals subconvex, each 

 with two or three irregular rows of small punctures. Lcuglh ."> mm. 



Two specimens from near Ilessviile, Lake Count\'. dune \'-i- 

 June 17. Say descrilied the si)e!-i(>s from a single female taken near 

 Xew Hai-mony, Posey (^ounty. Horn rccoi'ds it from ^lichigan, 

 Dakota ami Xebi-aska. 



