576 RET. n. s. GOKHAM ON [Juue 20, 



eJi/tris obsolete punctato-striatis, striis dorso ohliteratis. Long. 

 13-16 mUlbn. 



Hab. Mauipur {Doherty). 



The larger size and plain brown colour will distinguish this 

 species from any other )'et described. The antennae are long and 

 thin, the three last joints hardly wider than those preceding them ; 

 the head and thorax smooth and shining, with the punctuation 

 very fine ; the anterior constriction very plain on the sides, and a 

 fovea on each side below it. The elytra are very plain ; though the 

 usual sculpture is present it is all reduced, the flat sutural smooth 

 space being but httle emphasized. The legs are p;der, with the 

 knees just tipped with black. Although plain this is a line species, 

 reminding one of certain Cijmatoderce. 



Five specimens. 



Xenorthrius wallacei, n. sp. 



Nigro-piceus ; antennis, paljns, pedihusque hasi feslaceis, elytris 

 pallide vanegaiis, prothorace incequali, nitidiore vage punctulato, 

 hasi inmedio txd)ercido parvo, elytris basi et lateraliter subrugose 

 punctato-striatis. Long. 8*5 millim. 



Hab. Borneo, Sarawak {Wallace). 



Nearly allied to A", ephippiatus and differing from it as follows : 

 the colour is darker, the thorax is more shining and more uneven 

 and its disk less thickly and more vaguely punctured, on each 

 side of a basal median tubercle ai-e two sulci, thus making three 

 raised tumid spaces ; the elytra are more coarsely punctured and 

 the yellow markings not so clearly defined, the apical one being an 

 undulate fascia, and the apex being dark, like the rest of the ground- 

 colour. 



One specimen. 



I have had this insect for many years and have never been able 

 satisfactorily to classify it. It was unknowTi to the late M. 

 Chevrolat, to whom 1 sent it. 



Xenorthritts trxtncattjs, n. sp. 



Mufo-piceus, nitidns ; pedibus et fascia elytrorum haud bene discreta 

 pallidioribus, elytris truncatis et mucronatis. Long. 12 millim. 



Bab. Assam, Patkai Mountains {Doherty). 



This species is longer though not much wider than the largest 

 specimen of A". epliippiatii.s ; the antennae are much longer, all the 

 joints, and especially the three terminal ones, being longer ; the 

 thorax is more shining, the posterior part more sparingly and 

 obsoletely punctured. The elytra have the flattened space not so 

 wide, the third row of punctures persisting further towards the 

 apex ; their fascia is not so well marked nor so white, being very 

 little paler than the ground-colour. The apex is cleanly cut out 

 in an arcuate way, with a distinct mucro at the outer angle of this 

 excision. The legs are long, pale, with the knees and tarsi a little 

 darker. 



One example. 



