108 Mr. C. O. Waterhouse on the different forms 



front, smooth and shining above, the posterior angles a 

 little prominent, acute. Scutellum truncate at the apex. 

 Elytra parallel, yellowish, each with ten lines of rather 

 strong punctures, the intervals very narrow, subcostiform. 

 Bab.— S. India (M. J. Walhouse, Esq.). Brit. Mus. 



Genus 17. punctipennis, sp. n. 



Nigro-piceus, supra subtiliter pubescens ; fi^onte flava; 

 thorace scutelloque flavo ; elytris parallelis, flavis sat for- 

 titer crebre striato-punctatis, interstitiis angustissimis, 

 altemis parum magis elevatis ; ore coxisque testaceis. 



Long. 3 1 lin. 



Antenna scarcely as long as the elytra, Avith long fine 

 pubescence, 3rd to lOth joints emitting a long slender 

 branch. Thorax obscure yellow, a little angular in front, 

 straight at the sides, the posterior angles a little projecting 

 and acute, above slightly shining, impressed on each side, 

 and Avith a short impressed mesial line behind. Scutellum 

 truncate at the apex. Elytra parallel, obscure yellow, each 

 with ten lines of closely-set rather strong punctures, the 

 intervals very narrow, the 2nd, 4th, 6th and 8th costiform 

 near the base. 



Hab. — Java (J. C. Bowring, Esq.). Bi'it. Mus. 



Genus 19. alternans, sp. n. 



Ater; antennis sat latis, dentatis; thorace antice om- 

 nino rotundato, medio postice longitudinaliter impress©, 

 angulis posticis acutiusculis ; elytris dimidio basali feri'u- 

 gineo, nono-costatis, costis alternatis minus elevatis, inter- 

 stitiis uniseriatim punctatis. 



Long. 4^ lin. 



Thorax deeply impressed within the margins, which 

 are thickened ; behind the middle there is a longitudinal 

 distinct impression. The elytra are subparallel, thickly 

 pubescent, the basal half ferruginous ; each elytron has 

 nine costa3, the alternate ones a little less elevated, the 

 interstices have a single row of punctures, which are much 

 obsciu-ed by the pubescence. 



Hab. — Sarawak (Wallace). Brit. Mus. 



Genus 19. misellus, sp. n. 



Niger, pubescens; thorace, scutello, elytrisque rufis; 

 antennis articulo apicali ferrugineo ; thorace medio longi- 



