Mr. F. Walker on some undescribed Ceylon Insects. 209 



Onthophagus DiFFieiLts. Ater aut nigro-viridis, capite antice 

 rude punctate, thorace nitidissimo vage punctato, Jatenbus macu- 

 lisque duabus posticis nonnunquam obsoletis testaceis, elytris testa- 

 ceis, lineis impressis punctatis bene determinatis, fasciis sex abbre- 

 viatis nonnunquam connexis nigris. Long. 2|-3 lin. 



Onthophagus lucens. Viridis, capite antice rude punctato, tho- 

 race elytrisque confertissime punctatis, elytris testaceis, lineis im- 

 pressis sat determinatis, fascia media maculari maculisque duabus 

 anticis duabusque posticis nigris. Long. 1^- lin. 



Onthophagus negligens. Viridi- aut cupreo-niger, capite antico 

 rude punctato, thorace punctatissimo, elytris punctatis, lineis im- 

 pressis non distinctis, maculis duabus apicalibus testaceis. Var. 

 Elytris testaceo plus minusve marginatis, pedibus testaceo variis. 

 Long. li-2|lin. 



Onthophagus mosrens, mas. Ater, subpunctatus, capite carina 

 media transversa arcuata, cornubus duobus posticis erectis vix 

 arcuatis, thorace antice utrinque impresso, elytrorum lineis impressis 

 punctatis bene determinatis. Long. 3 lin. 



Onthophagus turbatus. Nigro-viridis, punctatissimus, capite 

 carina media transversa arcuata, thorace sulco dorsali subobsoleto, 

 elytrorum lineis impressis sat determinatis. Mas. Capite cornu 

 lanceolato postice subobliquo, thorace antice excavato. Fcem. Ca- 

 pite carina transversa postica, thorace carina transversa antica 

 brevissima. Long. 3 lin. 



Earn. Sphseridiadae. 



Sph^eridium tricolor. Nigrum, nitens, thorace elytrisque testa- 

 ceo marginatis, elytris antice rufo bimaculatis, spatio apicali testaceo 

 maculas duas nigras subincludente. Long. If lin. 



Fam. Hydrophilidae. 



Philhyhrus esuriens. Lividus, subtus niger, capite nigro, tho- 

 racis macula transversa discali fuscescente. Long. J lin. 



Hydrobius stultus. Niger, subtilissime et confertissime punc- 

 tatus, subtus vix nitens, pedibus piceo-nigris. Long. If lin. 



Genus Dastarcus. 



Corpus longiusculum. Pro thorax sulcatus, punctatus, angulis anticis 

 porrectis acutis, pectoris foveis duabus obliquis. Metascutellum 

 subtus maximum, vix sulcatum. Elytra sulcata, punctata. Pedes 

 crassi, breves. 



Dastarcus porosus. Niger, subtus nitens, rude punctatus, pro- 

 thorace elytrisque rude punctatis carinis ferrugineo-tomentosis, 

 prothoracis carinis duabus undulatis. Long. 4 lin. 



[To be continued.] 



