106 CLASS VIII. ORDER Till. 



THRIPS, snout inconspicuous ; antennae the length 

 of the thorax ; body linear ; abdomen reflexile 

 upwards wings 4, straight, long, narrow, incum- 

 bent on the back, slightly crossed. 



APHIS, (plant-louse,) snout inflected 5 antennae 

 longer than thorax ; wings either 4, upright or 

 none ; feet formed for walking , abdomen general- 

 ly furnished with 2 horns or processes. 



Coccus, (cochineal bug,) snout pectoral ; abdo- 

 men bristled behind ; wings 2 in males, upright; 

 in females none. 



ORDER 8. NEUROPTERA. 



Having four naked membranaceous wings, 

 finely reticulated ; the inn&fcpair as large as the 

 outer, and sometimes larger one way, 



LIBELLULA, (dragon's needle, dragon-fly,) 

 mouth furnished with several jaws ; antennae very 

 short ; wings 4> extended $ tail, in the male, for- 

 cipated. 



EPHEMERA, (day-fly, ephemera,) mouth without 

 teeth or feelers ; s lemmata 2, very large, above 

 the eyes ; wings upright, lower pair smaller; tail 

 bristled. 



PANORPA, (scorpion- fly,) snout horny, cylin- 

 dric, with 2 feelers ; stemmata 3 ; antennae longer 

 than thorax ; tail of the female ehelated or 

 clawed. 



MYRMELEON, (lion-ant,) mouth furnished with 

 jaws ; teeth 2 ; feelers 4, elongated ; stemmata 

 none ; antennae clavate, of the length of the tho- 

 rax ; wings deflected ; tail of the male furnished 

 with a forceps consisting of 2 straitish filaments. 



