NEW EXOTIC COLEOPTEBA. 63 



tenuissiraa longitudinali glabra ante scutellum vix notato; elytris 

 sutura parum elevata lœvi, costa longitudinali laîvi prope suturam 

 alteraque parum distincta inter medium et marginem lateralem , 

 postice in tuberculum subapicale ordinarium desinente; humeris 

 rotundatis prominentibus , margine laterali pone humerum emar- 

 ginato; abdominis segmento subapicali utrinque tubercule laterali 

 ordinario squamoso munito ; podice castaneo utrinque luteo-squa- 

 mosc, punctato, linea tenui media elevata. Pedibus nigris; tibiis 

 anticis (maris) extus dentibus duobus apicalibus armatis; tibiis 

 quatuor posticis extus prope et ante apicem denticulo parvo in- 

 structis. Abdomine impressione elongata in medio segmentorum 2 

 et 3 basalium: metasterno utrinque nec non segmentis 2 et 3 

 ventralibus macula magna luteo-squamosa nigropunctata (his sensim 

 minoribus). Prosternum spina deflexa compressa setosa ante pedes 

 anticos armatum. Maxillœ lobo interno bispinoso, apicali etiam bi- 

 spinoso: mentum oblongum in medio ad basin palporum constrictum , 

 apice deflexo, impressione transverso-ovali crateriformi notato. 



Long. corp. lin. 6; lat. humer, elytrorum lin. 2^. 



Habitat in insula Sumatra, Boenga-Mas, Palembang (J. C. van 

 Hasselt). In museo Lugdunensi. 



PI. 4. fig. 7. Head and antenna. 



» 8. Maxilla. 



» 9. Mentum and labial palpi. 



» 10. Apex of mentum seen trom the front. 



» 11. Part of the head, prosternai deflexed spine and 



base of fore leg. 



)) 12. Scutellum and part of the left elytron. 



» 13. Anterior tibia and tarsus seen from above. 



» 14. The same seen laterally. 



» 15. Middle tibia and tarsus. 



» 16. Posterior tibia and tarsus. 



This species is most nearly allied to C. siriatus Westw. Thes. 

 eilt. p. 46 pi. Xn. fig. 7 , but that species is an inhabitant of 

 China, its mentum is quite differently formed and the elytra are 



