AMERICAN PHILOSOPHICAL SOCIETY. 489 



fleeted ; elytra blackish glossed witli pui-ple, striae profound, im- 

 puDctured, interstitial lines very convex ; beneath. 



2. D. viOLACEUS. [x\nte, 1, 51.] [68] 



3. D. DILATATUS. [Ante, 1, 53.] 



4. D. ELONGATUS. — Black, impunctured, immaculate, striae 

 impunctured. 



Len2;th three-fifths of an inch. 



Carahus fiirvus Melsh. Catal. 



Diccelus elongatus, thorace subquadrato, niger, elytris sulcatis, corpore 

 elongato. Bonel. Obs. entom. 



Antennae gradually becoming ferruginous towards the tip; 

 thorax of nearly equal diameters, contracted before, margins 

 depressed, lateral edge slightly reflected, dorsal line continued 

 to the base, basal depression not distinctly sinuated before, basal 

 lines distinct ; elytra black, strias profound, impunctured, inter- 

 stitial lines very convex; humeral elevated line elongated. 



5. D. scuLPTiLis. [Ante, 1, 53.] [69] 



6. D. SPLENDIDUS. [Ante, 1, 52.] 



PANAG^US Latr. 



Anterior tibiae emarginate; elytra entire ; exterior maxillary 

 and labial palpi with the terminal joint subsecuriform j [mentum] 

 tridentate, middle tooth short, obtuse ; tongue short ; head small ; 

 labium much wider at base; neck distinct, abrupt; thorax or- 

 bicular; abdomen subquadrate; antennae filiform. 



1. P. CRUCiGERUS. — Black, hirsute; elytra with four large 

 fulvous spots. 



Length nine-twentieths of an inch. 



Body black, opake, punctured ; head with obsolete punctures ; 

 antennae with a few rufous hairs towards the tip ; thorax trans- 

 versely suboval, widest behind the middle, punctures numerous, 

 dilated, and distinct, edge abruptly excurved near the posterior 

 angles, which are small, prominent, acute ; elytra with obtuse 

 striae, punctures dilated, each elytrum with two large fulvous 

 spots, of which one is near the [70] base, rounded, attaining the 

 margin, and the other near the tip, orbicular and distinct ; pec- 

 tus, postpectus, and abdomen each side at base with dilated 

 punctures. 

 1823.] 



