Mr. Westwood's Synopsis of the Genus Cerapterus. 585 



Subgenus 6. Pleuropterus. 



Caput thorace clupl6 angustius. Antennce elongatse subplanae, articulo se- 

 cundo extiis in angulum acutum producto. Palpi elongati ; labiales arti- 

 culo ultimo crassiori vix securiformi. Labium maximum, rigidum. Tho- 

 rax elytrorum latitudine, lateribus margine elevato postic^ valde sinuato 

 utrinque in auric ulani producto. Elytra oblongo-quadrata, basi bicos- 

 tata. Pedes elongati, graciles, tarsis latis subtds setosis. 



Species 1. (8.) Cerapterus [Pleuropterus] Westermanni. 



C. rufo-piceus, baud nitidus ; elytris nigris posticfe cruce rufescenti notatis, basi 

 bicostatis, disco longitudinalit^r subimpressis, apice rufescentibus. 



Long. Corp. lin. 4^. Lat. lin. If. 



Habitat in insula Java. In Mus. D. Westermanni, cujus nomine banc spe- 

 ciem admod^m singularem animo grato inscripsi. 



EXPLANATION OF THE FIGURES. 



Tab. XXXIX. C. 



a. Cerapterus [Homopterus~\ brasiliensis, seen from above and magnified. 

 b. Ditto, seen in profile, c. Head, seen from front, d. Mandibles. 

 e. Maxillary palpi, fff. Labial palpi, seen in different positions. 

 g. Antenna, seen from above, h. Ditto, seen sideways, i. Trans- 

 verse section of one of the joints of the antenna, k. One of ditto, 

 seen from above. I. Fore -foot. m. Hind-foot. n. Tarsus. 



