CLASS VIII. ORDERS XI. & XII. 109 



wards the extremity, commonly terminating in a 

 knob or clavate tip ; wings when sitting, erect and 

 meeting upwards ; night diurnal. 



SPHINX, (hawk-miller,) antennse thickest in the 

 middle, subprismatic and attenuated at each ex 

 tremity ; wings deflected ; flight strong and com 

 monly in the morning or evening. 



PHALAENA, (candle-miller, moth,) antennae se- 

 taceous, gradually lessening from the base to tip j 

 wings, when sitting, generally deflexed and bent 

 down archwise ; flight nocturnal. 



ORDER 11. RH1PTERA. 



Having two membranaceous wings plaited into 

 a fan, with two small elytralike moveable bodies 

 near their origin, at the forepart of the corslet. 

 Ji very trifling order, probably will be rejected 

 hereafter. 



XENOS, tw r o brandies of antennae have no ai> 

 ticulation ; the abdomen is horned. Under scales 

 of other insects. 



STYLOPS, the upper branch of the hindmost 

 piece of the antennas is composed of three small 

 joints ; the abdoaien is retractile and fleshy. 

 Under scales of other insects. 



ORDER 12. DIPTERA. 



Having but two wings. 



CULEX, (gnat, musqueto,) mouth consisting of 

 setaceous piercers, within a flexible sheath. 



TIPULA, (crane-fly,) mouth arched over by the 

 upper jaw extending from the head ; palpi 2, re- 

 curved, longer than the head ; proboscis recurved, 

 very short. 



10 



