1874.] 79 



tcnii.T) and legs arc stouter, and tlic red band leaves a broad black 

 margin both at tlie suture and at the base of the elytra, and touches 

 the margin only at the outer edge. 



Ilab. : Irkutsk, South Siberia, and is apparently not rare. 



3. Episcapiia Taishoexsis. ObJoiiga, nigra, hand iiuhescens, 

 sparse sub-fortitcr punctata. Thorace suh-transverso vim torte marginato, 

 hnsi simiato. Elytrorum macula anterior macules anteriori E. Fortunei 

 vix simili, at posterior paulo minus undulata. Scutello in viedio punctis 

 niris impresso. Antomis pedihusque rohustioribus, totis nigris. 



Long. corp. 8 lin. ; lat. 3 lin. 



This species is half as broad again as E. Fortunei, Crotch, -with 

 proportionally thicker legs and antenniio ; and, while the red bands of 

 the elytra closely accord in general outline, the pattern is less crenu- 

 latc and defined. " 



Ilab. : Chiosan and Tsu-sima ; islands in the Straits of Korea. 



Norbiton : July, 187-1.. 



DESCRIPTIOXS OF TWO NEW GENERA AND SOME NEW SPECIES 

 OF rSELAVlUDM. 



BY D. SnARP, M.33. 



Tetracis, nov. gen. 

 Antcnnce W-articulatce, elongntcc, apicem versus leviter incrassatce, 

 basi approximates. Palpi maxilhires sat elongali, articulo 2" medio 

 abru])te curvato, parte apicali incrassata extus obtuse angulata, seta 

 brei'i instructa; articulo 3" latitudine paulo longiore, extus apicem versus 

 obtuse angulata, angulo setabrevi instructo ; articulo \P precedent e pauJo 

 longiore, ap>ice extus oblique truncato intus p)eracuminato, extus medio 

 srta brevissima instructo. Caput ante oculos drjlexum, sub oculos tubcr- 

 culo ])arvo inslructum,pone oculos acute p>romincns, tuberculis frontalihus 

 brei'ibus, connatis. Abdomen sat elongatum, marginatum, segmcntis dor- 

 salibus quinque perspicuis, quorum duo basalia sat elongata, tria 

 ultima jyaulo brevioria dejlexa ; segmentis ventralibus 5 perspicuis, 

 tribus ultimis jjerbi'evibus. Pedes elongati, trochanteribus intermediis 

 elongatis, coxis post ids distantibus, a frmorihns trochanteribus srparafis ; 

 nnguiculis duobus j)arvis. 



This genus must be placed between Tmrsipliorus and Cfrnistes. 

 Tho structure of the maxillary palpi scarcely differs from that of 

 Tmesipliorus carinatus, but the connate frontal tubercles distinguish it 

 from Tmesipliorus. From Ctenistcs the structure of the maxillary 



