PHYMECHUS JORDANI. 221 



margiuibus elevato-dentatis , supra scabra, apici subangu- 

 latim ampliata ; anteunarura scapo clavato, robusto , arti- 

 culo 2° quam sequente breviore et basi valde angustato, 

 3° SLibobcouico , sequeutibus subcylindricis, gradatim lon- 

 gioribus, apicali elongato-acurainato, duobus praecedentibus 

 simul sumptis breviore; prothorace elongato-conico , supra 

 modice convexo, in medio obsoletissime canaliculato ; elytris 

 dimidio prothoracis longioribus, ejusque latitudine, basi 

 emargiuatis, augulis externis rotundatis niinimeque callosis, 

 lateribus in medio subparallelis , deinde angustatis, apice 

 subtruncato; dorso subdepressis , juxta suturam striatis, 

 striis 1^ et 2* impunctatis, lateribus punctato-sulcatis; 

 interstitiis dorsalibus latis, inaequalibus , parum elevatis, 

 baud rectis, interstitio 2° latiore quam 1° et 3°; singulo 

 elytro lineis ferrugineis 4 ornato, — Long. 20 mill. 



Hab. Mexico (Oaxaca). 



A male in Rothschild's Museum at Tring. 



The 2°"^ interstice near the suture is ferruginous in the 

 apical half, the 3'''l is of the same colour in the basal 

 half; two short lines are also visible before the middle 

 on the 1^^ and 8^^ interstices. Body beneath chestnut; the 

 head and basal portion of the rostrum are provided with 

 two convergent lines of deep punctures ; the rostrum be- 

 tween the antennae is keeled in the middle. The anterior 

 coxae are separated, the intercoxal process is broad, the 

 base of the abdomen broadly excavated , the apical segment 

 punctured and slightly impressed in the middle and at 

 the sides. 



Ubanius, n. g. 



Caput transversum , basi subangulatim eraarginatum, 

 supra fronte foveolata , postice parum elevatum , utrinque 

 subauriculatum , auriculis pone oculos , a latere visis , ob- 

 tusis , desuper visis dentatis ; oculi sat magni. Rostrum elon- 

 gatum , parte basali porrecta, dorso sulcata, lateribus oblique 

 declivi; parte antica praecedente vix longiore, angustiore, 



Notes from the Leyden Museum, Vol. XVl. 



