236 MOSCHEUMA LAEVICOSTATUM. 



costae hardly so conspicuous as haematopus, I consider it 

 distinct. However, a comparison with Thomson's type may 

 show perhaps , that it is a local variety only. 

 Panama (Mr. Robert de Meuse). 



4. Moscheuma sebosum, v. d. Poll. 



Nigrum • supra , disco prothoracis excepto , seboso-nitidum , 

 subtus nitidum^ glabrum. Caput sparsim punctatum^ in me- 

 dio callo longitudinali. Prothorax fortiter sparsimque punc- 

 tatus , lobo postico fere impunctato , subconcavo , angulis pos- 

 ticis rotundatis, lateribus apicem versus sensim angustatis^ 

 ante medium subangulosis. Scutellum valde elongatum , acu- 

 tissimum. Elytra subtiliter striato-punctata , margines et basin 

 versus subtilius , ad apicem et partem apicalem marginis for- 

 titer rugoso-striata , postice nonnihil angustata, apice rotun- 

 dato , ad suturam obtusa ; singulo elytra bicostata , costae 

 callum apicale attingentes. Pygidium dense rugoso-striatum. 

 Mesosterni processus obtusus^ subtus rotundatus ; pectus et 

 latera abdominis punctis semicircularibus instructa; tibiae 

 anticae fortiter bi-dentatae; coxae tibiaeque nigro-ciliatae. 



Long. 22 mm., lat. 10 mm. 



Entirely black and shining , the upper surface , with the 

 exception of the disk of the protborax, with a dull greasy 

 gloss. 



The head is slightly punctured, with the margins of 

 the clypeus finely strigose, and a broad elevation between 

 the eyes. 



The prothorax is strongly punctured , more closely along 

 the sides and in the middle, decreasing towards the base 

 and almost absent at the median lobe, which is somewhat 

 concave, the hinder angles are broadly rounded, the sides 

 rather strongly margined and narrowed towards the top , 

 slightly angular before the middle. 



The scutellum is very elongate , narrow and acute , lon- 

 gitudinally impressed. 



The elytra with a few rows of punctures , which become 



Notes from the Leyden IMuseum, "Vol. "VIXI. 



