424 Mr. II. W. Bates on Ceramhyddce 



densissime broviter nigro-hirsutis ; thorace transverse, 

 quadrate, lateribus medio et prope angulum posticum 

 profunda emarginatis, margine postico medio lobato, lobo 

 emarginato, supra dorso modice convexo, costis tribua 

 longitudinalibus, duabus lateralibus magis elevatis et 

 antice abbreviatis ; elytris subtiliter dense scabrosis, 

 opacis, sutura et costa longitudinali glabris, nitidis; 

 pectore et abdomine nigro-variegatis ; pedibus nigris, 

 femorum et tibiarum basibus ochraceis. 



Long. 12 lin. ? . 



Hah. — Ega. One example on foliage. 



It is possible, notwithstanding the great differences in 

 the antennas, thorax and elytra, that this species is the 

 ? of Ctenodes isahellina ; if so, Tropidosoma dUaticorne is 

 the ? of some unknown species of Ctenodes. 



Genus Ctenodes. 

 Olivier, Entom. No. 95 bis, vol. vi. p. 779. 



1. Ctenodes isahellina, n. sp. 



Paulo convexa, postice valde dilatato-rotundata, fulvo- 

 ochracea, nigro-varia; capito macula frontali alteraque 

 post oculos nigris ; antennis omnino nigris, ab articulo 

 3io regulariter pectinatis, opacis ; thorace quadrate, lateri- 

 bus utrinque antice lobis magnis duobus obtusis, angulo- 

 que postico in lobum acutum producto, margine postico 

 bisinuato, supra dorso valde convexo et quinque-tuberoso, 

 gresse punctato-scabrose, raaculis duabus magnis nigris ; 

 scutello valde elongate, triangulari, nigre ; elytris lateri- 

 bus explanatis, mox pone basin gradatim dilatatis, ante 

 apicem angustatis, apicibus acute conjunctim retundatis 

 et paulo sinuatis, supra creberrime subtiliter rugosis, 

 opacis, utrinque costis quatuor et margine laterali elevate 

 glabris, costa prima juxta suturam, quarta minus dis- 

 tincta et ante apicem cum tertia conjuncta, fulvo-ochraceis, 

 triente posteriori nigra, nigredino antice ad suturam pre- 

 funde sinuata; pectore, lateribus, pedibusque nigris. 



Long. 12 lin. c?. 



Hah. — Ega. One example, flying in the forest. 



