PLATE XIV. 



FIG. i. 



FIG. 2. 



FIG. i. Ephemera vulgata (May-Fly), twice natural size, ready to assume its sub- 

 imago or semi-final flying existence. Note the wing as seen under the pupal mask. 



FIG. 2. Ephemera, Cloeon rufulum, twice natural size, ready to assume its sub-imago 

 existence. Note the wings. 



FIG. 3 Perlidse, Nemura variegata Small Red Stone-Fly (Old Joan). 2^ times 

 natural size. The larva is shown just ready for its metamorphosis into its imago or 

 perfected flying existence Note the wings. 



These wings are full sized, but are most delicately packed under their small envelopes, 

 as shown above. 



Copyright.] 



TO FACE PAGE 77. 



