".Yiugs of Insects. 



Plate -3. 



I: 





1. Wing of Earwig, shewing its method of folding up. 



2. Wing of Earwig, magnified 4 diameters. 8. Earwig flying, natural size. 



4. Wing of Whirligig-beetle, magnified 5 diameters. 5. The same, natural size. 



. Minute portion of Beetle's wing, magnified 420 diameters. 7. Wasp's wing, folded. 



8. Wasp's wings, hooked together, magnified 3 diameters. 



9. Hooks on Wasp's wing, magnified 60 diameters. 



