BY THOMAS G. SLOANE. 457 



and inipunctate lliird interstice of elytra at once and decidedly 

 distinguish it. The prothorax resembles that of Cointiodiscus 

 and .Ephnidius in shape. It belongs to the central group of the 

 tribe Pterostichini, but I am not sure of its exact position: pro- 

 visionaJly, I would place it beside Pedioinorphus. I know of no 

 other genus in the tribe, in which tlie first joint of the four pos- 

 terior tarsi is as long in proportion to the next three joints. 



LiTARTHRUM BROWXI, n.sp. 



(J. Reddish-piceous: prothorax, intiexed margins of elytra, and 

 legs redder than elytra; antennae reddish-testaceous. 



Head small (1-75 mm. across eyes), conAex. Prothorax trans- 

 verse (2-1 x3mm.), wider across base (2*6 mm.) than apex (1-9 

 mm.), depressed, loevigate, rounded on sides: apex widely and 

 lightly emarginate: anterior angles wide, distant from head: 

 base wide, lightly emarginate above peduncle: basal angles widely 

 rounded: border narrow, extending round angles along each side 

 of apex and base, bearing posterior marginal puncture at basal 

 angles; median line linear, feebly impressed on disc. Elytra 

 ovate (4:-7 X 3-2 mm. ), lightly convex, lightly rounded on sides, 

 lightly striate; apical curve even: base wide; basal border join- 

 ing lateral border at humeral angle in an open curve; stria? 1-6 

 lightly impressed, finely crenulate, seventh and eighth strongly 

 impressed towards apex; interstices depressed, except eighth on 

 apical third. Venlral segments finely punctate towards sides. 

 Length, 8; breadth, 3'2 nmi. 



Ilab. — W.A.:Cue(H. W. Brown). Unique in Coll. 81oane. 



Prosopogmus yarrensis, n.sp. 



Elliptical, depressed. Prothorax subquadrate: basal angle 

 rectangular, one basal impression on each side; elyti-a striate, 

 interstices unequal, depressed, shagreened, third with three fovei- 

 form punctures, often interrupting the .stria ^^neous; coxie, 

 trochanters, and base of femora brown; apical half of femora 

 testaceous; tibise, tarsi, and antenna reddish-brown. 



Head large (rf) mm. across eyes), convex; front stioiigly biini- 

 pressed. Prothorax V)roader than long ( I 6 x 2 mm.), wider at 

 base (1-6 mm.; than apex (1-35 mm.;, depressed, more or less 



