452 ON CARABID.E FROM WEST AUSTRALIA, 



declivous to base, anterior angles more marked, basal angles more 

 marked; elytra less dilatate on sides, less strongly and less roundly 

 ampliate from peduncle. 



30. P. oviPENNis, n.sp. 



Oval, robust, laevigate ; head large ; pi-othorax convex (rather 

 depressed on disc), strongly angustate posteriorly, bordered on 

 base; elytra oval, short, convex; mesosternal episterna quadrate, 

 epimera sliort — twice as broad as long; ventral segments roundly 

 foveate on each side. Shining, bronzed-black ; under surface 

 piceous with a faint metallic tinge laterally; legs piceous, tibise, 

 tai'si, antennse and palpi piceous-red. 



(J. Head large, convex, wide at base ; clypeal suture hardly 

 impressed; clypeus roundly emarginate; eyes prominent, enclosed 

 behind; orbits decidedly I'aised posteriorly; postocular prominences 

 about one-half size of eyes. Labrum emarginate-truncate. Palpi 

 with apical joint slender, swollen in middle, narrowed to apex, 

 truncate (of labial strongly arcuate on external side). Prothorax 

 transverse (3 x 3-3 mm.), widest rather before middle, declivous 

 to base; sides strongly rounded; anterior margin truncate; anterior 

 angles not marked, })rojecting a little from head; basal angles 

 rectangular (hardly obtuse); border narrow, not sinuate before 

 base, entire on base; median line strongly impressed; a transverse 

 impression a little before base. Elytra widely oval (5-2 x 3-8 mm.), 

 convex, Irevigate (sometimes faint traces of strife on disc, probably 

 a post mortem effect); base wide, gently but decidedly and evenly 

 narrowed to peduncle. Legs light; posterior trochanters shortly 

 reniform, obtuse at apex; four anterior tarsi without spongiose 

 tissue on under side of any of the joints. 



5. With prothorax and head a little narrower than ^. 



Length 9-5-11, breadth 3-5-4-2mm. 



Hah. — Beverley (Lea). 



Resembling P. scauroides, Casteln., but with the head larger, the 

 prothorax more declivous behind, the elytra more dilatate on the 

 sides, the lateral fovese of the 4th and 5th ventral segments not 

 giving off a stria internally, ^ without spongiose tissue beneath 

 any of the joints of the tarsi. 



