278 ACADEMY OF NATURAL SCIENCES 



6. C. LATlCORNis. — Black ; thorax with the lateral margin 

 yellow ; antennae serrate. 



Body black; head somewhat yellowish before; antennae a 

 little dilated and serrate on the inner side; second joint very 

 small, less than one-third the length of the third joint, which is 

 equal to the fourth : thorax a little narrower before, lateral nar- 

 row margins honey-yellow; middle of the lateral edge contracted ; 

 posterior angles subacute : pectus yellowish : nails simple, pos- 

 terior pair with a slight tooth. 



Length nearly three-tenths of an inch. 



[Belongs to Pokmius Lee, Proc. Acad. Nat. Sc. Phila. 5,339; 

 Telephorus duhius Mels. is synonymous. — Lec] 



6. C. SCITULA. — Dusky ; thorax, margin of the elytra and 

 feet yellow. 



Head black, anterior half yellowish; antennae with [169] the 

 t-wo basal joints beneath yellowish, second joint rather large, two- 

 thirds the length of the third joint, which is equal to the fourth : 

 thorax yellow, immaculate ; anterior angles obtusely rounded 

 postei'ior angles acutely rounded ; elytra dusky, with a pale yel- 

 lowish margiq, the sutural margin very broad, near the scute^ 

 occupying nearly half the width of the elytrum : beneath pale 

 yellowish ; postpectus and venter varied with dusky : nails armed 

 with a tooth. 



Length more than one-fifth of an inch. 



[Subsequently described by me, Agassiz, Lake Sup., 230, as 

 Telephorus nigriceps. — Lec] 



8. C. ? BiDENTATA. — Thorax bidentate, yellow ; antennas ser- 

 rate. 



Body black: antennae dilated, joints short, serrate; second 

 joint very small, not dilated, half as long as the third, which is 

 equal to the fourth : thorax yellow ; near the posterior angle on 

 each side are two prominent, approximate, parallel teeth. 



Length more than three-twentieths of an inch. 



[Belongs to Silis. — Lec] 



[Vol. V 



