ANNALS OF THE LYCEUM. :;<).-, 



Readily recognizable by the two indentations of the thorax. 



The name fuscus is pre-occupied. 

 [Is an Adelocera. — Lec] 



14. E. silaceus. — Slender, pale oehreous ; head and thorax 

 tinged with rufous. 



Elatcr silaceous } 



Elatcr umbraticus ) Melsk Gatal [261] 



Dene. Body pale yellowish oehreous, with short hairs ; slender: 

 head without any prominent transverse line: antennae not ser- 

 rated, second and third joint equal and shorter than the succeed- 

 ing ones, terminal joints not truncated, nor very acute : thorax 

 slightly tinged with rufous; longer than broad; not decidedly 

 narrowed before; anterior angles not broader than the bead; 

 posterior angles a little excurved, rather long; a longitudinal 

 obsolete, impressed line: scutel oblong, convex; elytra with 

 punctured strise not very deeply impressed : venter yellow. 



Length nearly three-twentieths of an inch. 



A very common species. I have a variety of which the tho- 

 rax and venter are almost black. 



[A Sericosomus. — Lec] 



15. E. RUBRicus. — Thorax bright rufous with a large black 

 spot ; elytra paler. 



Elatcr rubricus Melsh. Catal. 



Desc. Body oblong oval : head black, transverse line acute, but 

 not very prominent: antennae piceous, robust, deeply serrated, 

 second and third joint equal, much smaller than the following 

 ones, which are triangular, excepting the terminal ones ; ultimate 

 joints slightly truncated at tip : thorax as broad as long, regularly 

 arcuated, and with the head forming a semi-oval; highly polish* !. 

 bright rufous with a very large black orbicular spot before, 

 reaching beyond the middle : scutel oval, truncate at base: elytra 

 pale brownish-rufous, with regularly punctured, impressed striae: 

 postpectus and middle of the pectus, black : feet piceous 



Length nearly three-tenths of an inch. 



[Belongs to Elatcr ; the specimen was immature, as the elytra 

 are usually black. — Lec] 



16. E. dilectus— Brownish-black ; thorax rufous, bilineato 

 with black. L 262 J 



Elatcr trilineatw Melsh. Catal. 



