SNAPPING-BEETLES. 



49 



Fig. 56.-At>riotu S mancus. Say. Greatly Fig. 57. - Drasleria elegans, Fab 

 fe . . ^ . «. ._ « < rit-^Q t v p-nlnrp-pri . After t* ornes. 



enlarged. After Forbes 



Greatly enlarged. After Forbes. 



*"-* 



Fig. 58. — Melanotus communis, Gyll 

 Greatly enlarged. After Forbes. 



Fig. 60. — Pyrophorus noctilucus. Nat- 

 ural size. After Brehm. 



In Florida and Texas occur snapping-beetles which are very 

 luminous ; others very much larger occur in the tropics, and some 

 of our soldiers have no doubt seen such insects as the one illus- 

 trated in Fig. 6o, which produces a very strong greenish light. 



