98 WAM.ACKA. 



Lahrum (fig. G b) dcclive, transvei-so-quadratum. 



MatuUhulie apice dentatoa. 



Palpi maxillares (fig. 6 c) articiilo primo paivo, duobus sequentibus 



cetpuilibiis, obovafis, apice obiiqiie tnmcatis, ultimo ovato ; /«- 



hiahs (tig. G d) articid.0 primo parvo, secundo obconico, oi)liqne 



truncato, ultimo ovato. 

 Mentum (fig. 6 e) pentagonum ; Jlrpda subquadrata. 

 Oculi ovati. 



Thorax transvcrsus, latcribxis rectis, intcgris. 

 Scutelhon ovatum. 

 Elytra parallela, dorso complanata, apice rotundata, ante suturam 



emarginata. 

 Pedes breves, modice robiisti, simplices. 

 Corpus elongatum, subdejiressum. (Tj^pe, Wallacea Bowrhigli.) 



Distinguished from Hispopria by the different length of the second 

 joint of the antennae and the simple thighs. 



1. Wallacea collaris, n. sp. Tab. VII. Fig. 6. B.M. 



W. clongata, depressa, testacea, nitida ; antennis, thoracis macula 



clytrisque nigris. 

 Long. 3i lin. 



W. elongate, depressed above, shining testaceous ; antennae and 

 elytra (the basal edge of the latter excepted) black ; eyes piceous. 

 Head finely punctiu'ed ; upper portion of face with a longitudinal 

 ridge ; vertex transversely impressed between the upper margins 

 of the eyes ; antennte entirely black. Thorax one-third broader 

 than long, slightly increasing in -width from its base to before the 

 middle ; sides dilated, straight, rounded in front, their outer 

 border narrowly reflexed, entire, posterior angles acute ; anterior 

 margin slightly sinuate on either side, its middle portion indi- 

 stinctly produced ; siu'face slightly convex fi'om side to side, 

 smooth and shining ; on either side the medial line is an irregular 

 row of deep oval punctures, rest of the surface impunctate ; tes- 

 taceous, a triangular patch on the anterior margin black. Scu- 

 tellum shining, impunctate. Elytra slightly broader than the 

 thorax ; sides parallel, narrowly margined, narrowed just before 

 their apex, the latter obtusely truncate, sinuate at the suture, 

 sutural angle armed with a small acute tooth ; above depressed, 

 slightly convex on the sides ; outer margin reflexed, subcanalicu- 



- late ; surface sulcate-striato, sulci deeply and regularly punc- 

 tured; interstices costate; shining black, the extreme basal mar- 

 gin testaceous. Body beneath pale shining testaceous. 



Hah. Borneo (Sarawak), collected by Mr. WaUaee. 



British Museum, and collections of A. Wallace and W. W. Saun- 

 ders. Esqrs., and J. S. Baly. 



