TllK WAl'IOK St'AVKNdKi; BKKILKS. -Jf))} 



s(ri:i', (iftli slijrlill.v clcvMlcd mikI iiitcrniptod lu'Iiiiid (ho middle; lourtli ele- 

 v.-itcd (ipiKisitr \\\v linsik in lillli; Die otiuTS ;iliiiost imil'oDii. JAni;4tli 

 ii.n mm. 



S{;ifkt" ("(>iinl>-; y.wr. Auiiiisl "JO. 



4S7 (. I. IIvDKotiirs (;i;am i.Aii s sp. iKiv. 



Elongate, slemlev. Altovi' ])ic(Mms witli m Ltrccnisli or oiivaceous liii!:;t'; 

 iKMienth piceous. leijs diirk reddish- or fuscous hniwu. 'i'li<ir;i\ a little 

 Ioniser than wide, sides almost strai,i,'ht ; sui-l'ace. as well as that of head, 

 linely and very densely sraunlate-pnnetate, the foveje very faint, lillytral 

 stria- wider than intervals, the latter very nariMW. the fourth Interrnpted 

 lu'hiuil the middle, tifth almost wlndly wautini; or not conve.x. l.enizith 

 II.S— t nun. 



Lake County; v.wv. \\)v\\ 2!). An iiiinaiiied speeiiiieii is also 

 ill llie LcCNmiIo colleetioii al Caiiihrid^c. lahelied "Illinois." 



III. OcHTiiiouiis Leach. 1S17. (dr.. "shore i to live.") 



Very small l<rowii. l)lacl< or ])ieeous species liavini;- the thorax 

 narrowed at Imse, with a transparent side niarti'in, and the disk with 

 iiiipi-essed lines or fovea-, (luite similar to those of Helophortis, hut 

 intei-rupted. They occur in or about the edges of small pools and 

 woodland p(Uids; also on the undei- side of stones in running water. 

 One nndescrihed si)ecies has been taken in the State, while three 

 described by LeConte have a range which may iiu-lude Indiana. 



KKY TO iMUANA svi':en;s OF ocuPUKinrs. 

 (I. 'i'horax ;d»ruptiy siiiuately narrowiui; from in front of middle to hase 

 and with a distinct angnl.atioii at middle of sinuation, all the discal 

 impressions well marked, rovioiewxis. 



'/'/. 'riioi-a.x abruptly sinuate from tiie middle, or more or less notched near 

 the hind angles, 

 I). Thorax with well marked discal fove;e. 



c. Form ol)long-(.val. subdepr<"ssed ; elylral pnnctures obsolete near 

 apex. NrriDLs. 



cc. Form short, bro.adly oval, strongly convex; elytral punctures dis- 

 tinct to apex. 4S.S. putnamensts. 

 bh. Thorax without discal fove;e, coarsely punctate, the lateral foveie 

 • deep and broa<l. eimuueoLUS, 



0. foveicoUis Lee, 1,2-2.5 mm.. (). iiilidic^ Lee. l.S mm., and 0. 

 crihricoUis Lee., 2 mm. in lengtli. all ])iceous-l)ronzed in hue. may 

 occur in noi'tliern Indiana. 

 4SS ( I. Ocii rill r.irs ri ixa.mkxsis sp. iioy. 



Short, oval, stria'.gly convex. Elytra iilack, shining; liead and thorax 

 bronzed; legs reddish-brown. Thorax twice as wide as long, sides rounded 

 from apex to basal third, thence oblicpie and feebly sinuate to base; disk 



