FEBRUARY. 29 



tudinally, anterior pair transformed into short slender appen- 

 dages ; mouth with slender acute jaws, and two palpi ; tarsi 

 two- three- or four-jointed ; antenna two ; body long and narrow ; 

 eyes very large ; thorax very large ; legs moderate ; size small. 



This Order has but one family Stylopida, sufficiently 

 described in the characters of the order. 



ORDER III. DEBMAPTEBA, Leach. 



Characters. Wings two, with numerous transverse and longi- 

 tudinal folds ; elytra leathery, only partially covering the wings, 

 and uniting with a straight suture or opening ; mouth with trans- 

 versely moveable jaws ; body forked at the end, long, narrow, and 

 flattened; head of moderate size; eyes small; clypeus distinct; 

 palpi filiform. 



This Order has only one family Forjiculidce. 



ORDER IY. DICTYOPTEBA, Leach. 



Characters. Wings two, longitudinally folded ; elytra cori- 

 aceous, arid one folding over the margin of the other obliquely ; 

 antenna long and setaceous, with from fifty to a hundred and 

 fifty joints ; mandibles short, but strong, horny, and toothed at 



