the Coleopterous Family Erotylidce. (27) 403 



very coai'sely granulated. Thorax transverse witli the sides and 

 base margined, base with a transverse impression limited by a deep 

 fovea. Tarsi very short, thick; abdomen with the coxal lines 

 distinct. Metasterniim acuminate at the apex, coxal lines evident 

 and prolonged. Mesosternum sub-depressed. Prostex'num with 

 the process elongate, parallel, truncate, sides margined. 



Thallisella peruviana, sp. n. 



Rufotestacea, subovata, nitida; capite thoraceque punctis raris 

 impressis, hoc convexo, angulis anticis deflexis, antice regulariter 

 emarginato, lateribus paulo rotundatis, marginatis, basi tenue 

 mai'ginato ntrinque foveolato, late lobato, scutellum Iseve, rotun- 

 datum ; elytris Ipevibus, sat fortiter punctato-striatis, macula 

 humerali fasciaque infra medium flavis. L. l;|lin. 



i-'eru (Janson). 



Presternum with a raised medial line, thus appearing triearinate. 



Thallisella Malasise, sp. n. 



Eufo-testacea, ovata, postice acuminata; capite thoraceque par- 

 cissime punctatis, hoc lateribus rotundatis, crasse marginatis, 

 postice angustiore, basi transversim impresso, ntrinque foveolato, 

 mai'ginato; elytris nigris, fascia communi longe infra medium rufa, 

 punctato-striatis, interstitiis la^vibus, margine basali elevata, ser- 

 rata; abdomine tenui pubeacente, linea coxali abbreviata; meta- 

 sterno parce punctulato, convexo, postice subtiliter canaliculato, 

 antice acuminato, linea coxali distincta, mesosterno brevi ad pro- 

 sternum arete applicato; prosterno lajvi, processu elongato-quad- 

 rato, marginato, medio foveolato. L. 1 lin. 



Sarawak (Wallace). 



Tetrathallis. 



g. n. ityjy. carminea, Crotch). 



Differs from Thallis by the 8th joint of the antennee decidedly 

 dilated, and the prosternal process dilated beyond the coxpe, finely 

 margined and deeply foveolate in the middle. The coxal lines are 

 both present, the mesosternum is smooth, oval in fi-ont, margined, 

 depi'essed in the middle, antennse with the 3rd joint a little longer 

 than the 4tli. 



Tetrathallis carminea, sp. n. 



Oblonga, nigra, convexa, nitida, capite, thorace antice, corpore- 

 que subtus obscure rufis; elytris singulis maculis 2 (1 humerali 

 subobliqua, 1 subapicali) carmineis ; capite pai'cius punctato ; 

 thorace sat crebre punctato, subtransverso, angulis anticis deflexis 

 incrassatis, base tenuissime marginato, in medio leviter producto; 



