OP NATURAL HISTORY. 659 



TENEBRIO Lin. 



1. T. SUPPRESSUS.— Thorax large; clypeus entire; elytra 

 Tvitli punctured striae. 



Inhabits Mexico. 



Body black : head densely but minutely punctured ; clypeus 

 a little reflected and entire : labrum nearly concealed : thorax 

 densely and minutely punctured; rather large; a large, slightly 

 indented spot on the posterior submargin ; posterior angles acute; 

 posterior margin with an impressed line : scutel triangular : ely- 

 tra with impressed, punctured, and crenate stria; ; interstitial 

 spaces convex, impunctured ; lateral edge acute : anterior tibic^ 

 with a strong tooth. 



Length half an inch. 



In comparison with T. rcflexm nob., the thorax is larger, more 

 arcuated on the lateral edge, and more narrowed behind; the 

 anterior tip of the clypeus is not so prominently reflected, and 

 the contraction towards the junction of the thorax and abdpmen 

 is more obtuse. 



2. T. RUFINASUS, — Suboval, black; head before, antenna 

 and feet ferruginous. 



Inhabits Louisiana. 



Body oval, a little oblong ; densely punctured : head on the 

 anterior part obscure rufous ; antennas obscure, [188] ferrugin- 

 ous; joints transverse, subtriaugular or conic : palpi and mcntum 

 ferruginous : thorax regularly punctured; basal edge undulated; 

 basal angles rectangular : scutel densely punctured : elytra with 

 regular series of punctures ; interstitial spaces slightly convex, 

 particularly the lateral ones, and with three or four irregular 

 series of small punctures : beneath ferruginous, punctured. 



Length over one-fifth of an inch. 



Sent to me by Mr. Barabino from New Orleans. 



[Belongs to Hetci-opliaga. — Leg.] 



ULOMA Meg. 

 U. FERRUGINEA Fab. Several specimens occurred at Vera 

 Cruz, but I suspect it to be a naturalized foreigner, as it is with 

 us. 

 1835.] 



