238 LAKES AND RIVERS, 



the winter to the minute forms. Hovering over the 

 Lewes brooks, and lighting on the plants to devour 

 the gnats they had captured on the wing, were mul- 

 titudes of dragon-flies. Of these I identified in one 

 year fourteen species, but some of thesewere autumnal. 



YELLOW RATTLE (Rhinatltkus] . 



In the early spring we captured them in the water- 

 net in the larva state, and I once succeeded in rearing 

 in a small aquarium a species Libellula quadrimacu- 

 latum through its perfect metamorphosis. This species 



