Wings, etc., of Insects. 



Plate 5. 



1 . Small Dragon-fly. 2. Fart of small Dragon-fly's wing, magnified 7 diameters. 

 3. Wing of another species of Dragon-fly. 4. Part of wing, magnified 7 diameters. 



5. Minute Beetle, common in Spring 6. Beetle, magnified 30 diameters. 

 Hairs of Beetles, magnified 420 diameters. 8. Wing-case of Beetle, magnified 50 diameters. 

 9. Teeth at the base ol Ming-case, magnified 900 diameters. 



