Wings of Insecta. 



Plate 4. 



* ^s^ ,v^ -s^^wi? v< .> ^ ^v^ v 



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



2. Wing of Earwig, magnified 4 diameters. 3. Earwig flying, natural size. 



4. Wing of Whirligig-beetle, magnified fi 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. 



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



