AQUATIC CRUSTACEANS 31 



youngsters. After much trouble, several members of the 

 family and the mother were placed in the live box. But un- 

 fortunately before the writer had the opportunity of witnessing 

 a meeting, an accident occurred, and her ladyship had dis- 

 appeared. 



How the change of colour had occured was easily explained 

 when the water in which the cyclops had been living was exam- 

 ined. Two skins, one dark coloured, and the other lighter, 

 were found ; on the former were the remains of the egg-bags. 



The life of the cyclops is not all pleasure. Many inhabitants 



CRUSTACEANS 



1. Cyclops, the one-eyed crustacean. 1 (a). Young cyclops. 2. Water flea. 

 2 (a). Egg-bag of water-flea. 3. Cypris. 4. Asellus aquaticus. 



of the pond, especially the larva of dragon-flies, are partial to 

 a diet of "shell-fish." The cyclops are also infested with 

 colonies of bell animalcules sometimes completely covered with 

 numbers of these creatures while certain rotifers, knowing 

 cyclops to be a capable carrier, may nearly always be found 



