270 SUPPLEMENT. 
Hab. Panama, Volcan de Chiriqui, Bugaba (Champion). 
Four examples. 
7. Obrium clerulum. (Tab. XIX. fig. 5.) 
O. cordicolls affine. Flavo-testaceum, nitidum, vertice thoracisque disco fuscis; elytris fasciis quatuor nigro- 
fuscis, 1° lata subbasali (postice oblique versus suturam dilatata), 2° lineiformi ante medium obliqua, 
3° lata post medium (ad suturam fere divisa) et 4° mox pone hane angusta postice curvata et antice ad 
suturam dilatata ; thorace sicut in O. cordicolli antice modice rotundato-dilatato, antennis pedibusque 
nigro-fuscis, testaceo-variegatis. 
Long. 2-3 lin. 
Hab. Panama, Bugaba (Champion). 
Four examples. Distinguished from all others of the group by its sharply defined 
and blackish markings. | 
8. Obrium arciferum. (Tab. XIX. fig. 11.) 
Majus, elongatum, thorace angustiori medio dilatato dorsoque trituberoso ; pallide testaceum, politum ; vertice, 
thoracis macula transversa discoidali, elytrisque linea utrinque tenuissima arcuata a regione humerali 
(versus suturam curvata) usque longe ultra medium extensa, lineaque valde obliqua recta prope apicem, 
castaneo-fuscis ; antennis pedibusque vix pallido-fusco variegatis; elytris confuse sparsim punctulatis. 
Long. 44 lin. 
Hab. Guaremata, Cerro Zunil (Champion). 
One example. 
9. Obrium cruciferum. (Tab. XIX. fig. 10.) 
Magis elongatum, capite thoraceque relative angustioribus, fulvo-testaceum, nitidum ; elytris medio late flavo- 
testaceis, litura magna communi fulvo-fusca X-formi, antennis pedibusque immaculatis; thorace sulco 
anteriori lato a margine anteriori sat distante, lateribus medio conice tuberculatis ; elytris punctulato- 
setiferis seriatim dispositis. 
Long. 33 lin. 9. 
Hab. Mexico, Santecomapam (Sal/é). 
One example. This species bridges over the slight difference between Obriwm and 
Phyton, as defined by Leconte. 
10. Obrium ruficolle. 
Castaneo-rufum ; elytris obscure fuscis basi nigris, femorum clavis, ventro antennarumque basi nigris ; thorace 
prope apicem et basin constricto, paullo ante medium dilatato et lateribus tuberculatis, dorso lato, levi 
subinzequali medio tuberculato obtuso ; elytris sparsim confuse et minute setifero-punctatis. 
Long. 4 lin. @. 
Hab. Mexico, Ventanas (Forrer). 
This would belong to Phyton according to Leconte’s definition, the thorax being more 
narrowed behind than in front, and rotundate-dilated almost immediately after the 
anterior sulcus. 
