OHDESS. 46 



9. HYMENOPTERA, membrane-winged* Having 

 Jour naked membranaceous wings ; the inner or pos- 

 terior pair smaller than the others. 



Their mandibles and jaws are formed for mas- 

 tication. Outer wings less nerved than those of 

 the neuroptera. A large order. 



Examples. Tenthredo, (saw-fly) cymbex, 

 urocerata, (tailed-wasp) ichneumon, sphex, (soli- 

 tary wasp) cynips, (gall-fly) chrysis, (golden 

 wasp) formica, (ant) vespa, (wasp) apis, (bee) 11 

 feellula. 



10. LEPIDOPTERA, scaly-winged. Having four 

 mcmbranaceous wings covered with small scales re- 

 sembling dust. 



They have a double coiled hollow tongue sub- 

 stituted for jaws. An elegant and extensive or- 

 der. 



Examples. Papilio, (butterfly) sphinx, (hawk 

 miller) phalsena, (candle-miller.) 



11. RHIPTERA, thrust-winged. Having two 

 membranaceous wings plaited into a fan, with two 

 small elytra-like or crustaceous moveable bodies mar 

 the origin of the membranaceous wings at the poste* 

 rior part of the corslet. 



They have two simple jaws in the form of bris- 

 tles, with two palpi. These rare insects live be- 

 tween the scales on the bodies of some insects of 

 the order of Hemiptera. 



Examples. Xenos, stylops. 



12. DIPTERA, two-winged. Having two wings, 

 mostly withpoisers, being two moveable bodies, un~ 

 der them. 



The wings are membranaceous. They have 

 no jaws, but have bristle-form suckers. 



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