115 



disappeared before the following day or at most two days 

 afterwards. This may be a method by which the animal 

 procures food by the special device of this mass of thread-like 

 mucus, which, after spreading over various places, it after- 

 wards devours with whatever may be captured in its meshes. 

 The fish was watched carefully, but it was never seen to take 

 this or any other food during the night time, though it appar- 

 ently must have done so, as it came out then and searched 

 diligently through the tank. The little that it got in the above 

 instances during the day could hardly have kept it alive for 

 over two years. 



{C.P. 6-'i4. 



