187S 3 179 



MEIflUS MUEKATI. 



Ohlongo-ovatus, valde convexus, nltidus, metalUco-ccErulcus, viridl-micans, 

 tibiis {basi excepta), tarsis, antennisque fulvis, his extrorsum, lahro, mandi- 

 bulisque nigris ; capite fhoraceqice tenuiter subremote puncfatis ; Jioctransiwrso, 

 lateribus basi fere parallelis, hinc ad apicem rotundato-angustatis ; sciitello 

 semiovato, acuta ; elytris sat fortiter punctato-striatis, interspatiis parce 

 tenuissime puiietatis, Jlavis, disco exteriori obsolete convexiiisculis ; sulco 

 orbitali postice distincte dilatato ; prosterno latitudine fere dtiplo longiori, 

 poie medium abrupte ampliato, lateribus aiiticis leviter elevatts, disco piosiico 

 utrinque intra latus leviter sulcato. 



Var. A. Tihiis tarsisque piceis. Long. 2\ lin. 



Hab. : Guinea, Old Calabar. 



Mexius conciknicollis. 



Sat elongatus, convexus, nitidus, supra obscure cupreus, subtus obscure 

 2nceus,2>edibus antennisque i^aUidiorib us ; capiite thoraceque sat crebre fortiter 

 punctatis, hoc fransverso, lateribus rotundatis ; elytris sat fortiter punctato- 

 striatis, interspatiis pildnis ; sulco orbitali postice vix ampliato; prosterno 

 latitudine paullo longiori, piano, rugoso. Long. 2 lin. 



Hab. : Lake Nyassa. 



(To he concluded in our next.) 



DESCRIPTION OF A NEW SPECIES PROBABLY INDICATINQ A NEW 

 GENUS OF ANCROMENID^, FROM THE SANDWICH ISLANDS. 



BT D. SHARP, M.B. 

 BlACKBUENIA INSIGIfIS, n. sp. 



Ficea, nitida, antennis pedihusque rvjis ; capite parvo tJiorace an- 

 rjustiore ; lioc eh/tris duplo angustiorc, longitudine latitudine ceqnaJi, 

 luterihii-'i sinnatis, angulis posteriorihus siihrectis, qrosse pimctalo, medio 

 sulcato, margine lateraU elevato ; elytris amplis, convexis, projunde 

 sulcatis, sulcis fossulatis apicem versus aiigustiorihus et fere sine fossulis ; 

 corporc suhtus grosse punctata, segmentis ventralihus trihus ultimis fere 

 IcBvibus. Long. corp. 11 mm. Lat. elytr. 4:\ mm., protJior. 2 J mm. 



Of this curious insect, two specimens have been found by the 

 Eev. T. Blackburn in Oahu, at an elevation of a])out 3000 feet. The 

 specimen described is one of this pair, and is, I have no doubt, a 

 female ; the other individual Mr. Blackburn informs me is a male, 

 though it has no other apparent sexual distinction than a very slight 

 dilatation of the basal joints of the front tarsi. 



Though the insect is very closely allied to the genus AncJiomenus, 

 it has a very peculiar appearance, and departs so much in several 



