116 Mr. C. 0. WaterliOTise on the different forms 



This species is very close to the preceding, but the 

 areolets on the thorax are not defined, and the costas of 

 the elytra are distinct to the base. 



Hab. — Sarawak (Wallace). Brit. Mus. 



Genus 38. exilis, sp. n. 



Flavescens, pubescens; thorace antice ruguloso, postice 

 utrinque impresso, angulis posticis acutis; scutello apice 

 truncato; elytris (apice ipso infuscato) pubescentibus, 

 singulis costis tribus, quarum ilia juxta scutellam postice 

 abbreviata; antennis pedibusque infuscatis. 



Long. 3 lin. 



Head with a longitudinal impressed line ; antennte 

 blackish. Thorax narrowed anteriorly, surface rugulose 

 in front, Avith a smooth mesial line, transversely impressed 

 behind and with a shallow impression on each side. 

 Elytra a little narrowed towards the apex where they 

 are not united at the suture; each elytron with three 

 costge; that next the scutellum is only half the length 

 of the elytra; the third and fourth nearly reach the apex ; 

 the interstices are flat. Legs and abdomen infuscated, 

 tarsi yellowish. 



^a^.— Sarawak (WallaceV Brit. Mus. 



Genus 40. Scarelus longicornis, sp. n. 



Elongatus, ferrugineo-flavus, pubescens ; antennis lon- 

 gissimis, filiformibus, nigris; thorace parvo, antice angus- 

 tato, linea mediana elevata; elytris parallelis, depressis, 

 tricarinatis, interstitiis impressionibus numerosis traus- 

 versis, apice anguste nigro ; pedibus fuscis. 



Long. 2| lin.; antennas 3^ lin. 



Head rather prominent, eyes small ; antennfe longer 

 than the whole insect, filiform, the 1st and 2nd joints 

 yellow, the rest black. Thorax with a distinct mesial 

 elevated line, sides gently reflexed, posterior angles acute. 

 ScuteUum slightly narrowed towards the apex which is 

 very slightly notched. Elytra a little broader than the 

 base of the thorax, tipped with black; each with three 

 costEe, the first rather obscure, the interstices with very 

 numerous transverse impressions. Legs pitchy; tarsi 

 rather short and stout. 



Hab. — Java (J. C. Bowring, Esq.). Brit. Mus. 



