OF PniLADELnilA. 27o 



^lorc rounded and loss sericeous than C f/n'seus Falj., and 

 somewhat larger than C. padi Gyl. 



LAMPYIirS Linn. Latr. 



1. L. RUFICOLLIS. — Blackish; antennae and thorax nifuus. 

 L<impi/r!s nijiroilis Melsh. Catal. [162] 

 Head black, polished, with short hairs ; eyes rather small, 



prominent; antennas and palpi dull rufous: thorax transversely 

 oblong-quadrate, with short hairs, polished ; anterior angles 

 rounded ; anterior margin not extended over the head ; ru{bu3, 

 a little dusky before the middle: elytra blackish, with numerous 

 punctures furnishing short hairs : pectus rufous on the lateral 

 margin : tibia obscure rufous. 



Length three-twentieths of an inch. 



The smallest North American species I have seen, and very 

 distinct by its characters from any of them. It does not appear 

 to be endowed with the power of yielding light. 



[Belongs to Ilr/i/dm hair., (^C^jthon Vnhr.,) and subsequently 

 described as Jf. margtnicol/is Gucrin, and II. frwjllts Zeigler ; it 

 varies in having sometimes a black dorsal thoracic spot. — Lkc] 



2. L. ANGULATA. — Black ish-brown ; thorax yellowish, with a 

 vitta and lateral margin, black ; elytra margined with yellowish. 



Lnmpi/rix min'f/uuita Mclsh. (^atal. 



Body dilated : head dull rosaceous, with an obscure frontal 

 spot and vertex, blackish ; antenna3 simple, blackish, basal joint 

 pale; palpi blackish : thorax obtusely somewhat angulated before; 

 a dilated black vitta attenuated before, on each side of which to- 

 wards the base is a large pale rosaceous space, and towards the tip 

 each side a dull yellowish one ; lateral margin blackish ; a longi- 

 tudinal elevated line ; lateral margin a little excurved near the 

 posterior angles ; posterior edge arcuated each side : scute) 

 black : elytra with a broad outer margin and narrow sutural 

 margin and tip, yellowish : abdomen, terminal segments briglit 

 yellow. [163] 



Length two-fifths of an inch. 



In general form, and color of the thorax, it resembles the 

 corru.ini Linn., which, however, is destitute of colored margiii'- 

 to the elytra, and its thorax is rounded before ; it is very differ- 

 1825.] 18 



