402 (26) Mr. G. R. Crotch's Revision of 



Thallis rubicunda. 



Triplax rubicunda, Lac. Erot. 207. 



Madagascar. 



Abdomen with tlie coxal line distinct ; mesostenium depressed ; 

 prosternum with the coxal process rather narrow, parallel, mar- 

 gined ; eyes somewhat coarsely granulated ; legs long. 



Thallis (?) humeralis, sp. n. 



Elongata, nigra, elytris nigrocyaneis macula humerali rufa, 

 pedibus rufo-piceis ; capite piano, parce fortius punctato ; thorace 

 transverse - quadrato, obsolete punctato, basi marginato, fovea 

 utriaque punctis majoribus impressis, serieque utrinque in disco 

 punctorum majorum ; scutello li^evi; elytris punctulatis, obsolete 

 seriatim punctatis ; abdomine subtiliter punctulato, liuea coxali 

 distincta ; metastei'no vix punctulato, canaliculato, linea coxali 

 nulla ; mesosterno oblongo, Isevi, marginato, postice subacumi- 

 nato ; prosterno profunde parce punctato, processu oblongo, late- 

 ribus marginatis, postice truncatis ; capite subtus impresso, pitnc- 

 tulato, mentum trapezoidali, anteunse brevibus, articulo tertio 

 quarto aequali. 11° maximo. L. 2 J lin. 



Waigiou (Wallace). 



Difiers from typical Thallis by the smooth underside, and the 

 oblong mesostemum. 



Thallis (?) mycetocharoides, sp. n. 



Subelongata, nigra, nitida, elytris singulo punctis 2 aurautia- 

 cis (1 humerali, 1 fere ad apicem), ore, pedibus corporeque subtus 

 rufo-piceis ; capite parce punctato, clypeo emarginato ; thorace 

 transverso, parce pimctato, lateribus rotundatis, anc;ulis anticis 

 deflexis, incrassatis, basi tenue marginato, ante scutellum rotun- 

 dato-producto; scutello subtransvei'so IjBvi; elytris basi vix margi- 

 natis, hievibus, obsoletius striato-punctatis ; abdomine subtus tenu- 

 issime pubescente, vix punctulata, linea coxali nulla, processu 

 ventrali rotundato acuminate; metasterno svibtilissime puuctulato, 

 antice leviter foveolato; mesosterno quadrato, laevi, marginato; 

 prosterno vage profunde punctato, processu marginato, postice 

 emarginato; capite subtus transversim impresso, lateribus puncta- 

 tis, antennis brevioribus, articulo 3" subelongato. L. 2| lin. 



Batchian (Wallace). Allied to Th. humeralis. 



Thallisella. 



g. n, {tyiJ. peruviana. Crotch). 



Antennse as long as the head and thorax, clothed with long 

 hairs, 3rd joint longer than the 4th, club 3-jointed, loose, last 

 joint acuminate. Head small, subtriangular, eyes very convex, 



