Coleoptera of Madaqascar. 365 



hollowed, the margins are thickened and reflexed. The antenute 

 have the third joint elongate, the fourth strongly transverse, 

 a little produced, the fifth to tenth forming an oblong club. 

 The tarsi are long and slender, the claw joint is suddenly bent 

 beyond the middle, the basal part furnished below witli a blade 

 similar to that seen in Achelyna. 



In Pachycolus the club of the antenna? is five jointed, and 

 the claws are strongly bifid. 



TENEBRIONID^. 



(nycteropin.e). 



Dolichoderus dimidiatus, n. sp. 



Capite thoraceque supra nigris opacis ; elytris la^te cupreo- 

 feneis nitidissimis fere laivibus, apice ipso cyaneo ; corpore subtus 

 nigro-£eneo nitido ; antennis pedibusque cupreo-piceis. Long. 

 ^ lin. 



Head and thorax dull black, the thick and extremely fine punc- 

 tuation only seen with great difficulty ; head rather broad quad- 

 rate, the anterior angles of the epistoma shining blackish-teneous. 

 Thorax one-fourth longer than broad, scarcely narrowed ante- 

 riorly, subparallel sided, the anterior angles not prominent, the 

 fine anterior margin and the thickened posterior margin shining 

 blackish-£eneous. Elytra at the base a trifle narrower than the 

 base of the thorax, acuminate at the apex, convex, impressed at 

 the suture, coppery-ajueous ; a powerful magnifying glass reveals 

 some very close and excessively fine punctuation ; the extreme 

 apex is not produced. 



(cnodalonin.e). 

 Camaria vudaccipennis, n. sp. 



Niger ; capite thoraceque opacis, planiusculis, elytris convexis, 

 basi thorace paulo latioribus postice paulo ampliatis, violaceis 

 vel purpureis fortiter striatis, interstitiis bene convexis subtiliter 

 creberrime punctulatis ; corpore subtus pedibusque nitidis, tibiis 

 piceis. Long. 15 lin. 



Head and thorax dull l)lack, very closely and extremely finely 

 punctured ; the latter about one-third broader than long, slightly 

 narrower in front, straight at the sides, the anterior angles very 

 little prominent, blunt, the base gently bisinuate. Elytra con- 



