174 GEOLOGICAL SURVEY OF NEW JERSEY. 



PYRACTOMBNA, Lee. 



P. angnlata, Say. 



Generally distributed, not common — Wenzel. Newark. Cald- 

 well, rare — Crane. 



P. lucifera, Melsh. 



Generally distributed, common — Wenzel. Rare — Liebeck. 



PHOTINUS, Lap. 

 P. consanguineus, Lee. 



Generally distributed, not rare — Liebeck. Hudson county — 

 Linell. 



P. lineellus, Lee. 



Atco, rare — Liebeck. 



P. pyralis, Linn. 



Hudson county, common — Linell, Smith. Newark. 



P. marginellus, Lee. 



Generally distributed, common — Wenzel, Liebeck. Caldwell, 

 common — Crane. 



P. scintillans, Say. 



Generally distributed, common — Liebeck. Caldwell, common 

 — Crane. 



This genus contains the common " fire-flies," which form so 

 attractive a feature of the early summer evenings. The species 

 are somewhat local, and the common " fire-fly " in difi^erent parts 

 of the State is apt to belong to difierent species. 



PHOTURIS, Leo. 

 P. pennsylvanica, De G. 



Generally distributed throughout the State, and the largest 

 and most brilliant of our " fire-flies." 



TYTTHONYX, Leo. 

 T. erythrocephalus, Fabr. 

 Atco, rare — Liebeck. 



