84 HUNTNGUE. 



ingue, the chief business accomplished there being the collec- 

 tion and distribution of their eggs ; but there is a large supply 

 of tanks or troughs for the purpose of experimenting with 

 such fish as may be kept in the place. The waters of the 



HALL OF INCUBATION. 



llhine, being at a higher level than the springs, can be at once 

 employed in the appareils and basins. The waters of the 

 Augraben stream, which cross the grounds, are of very little 

 use. Nearly dry in summer, rapid and muddy after rain, 

 they have only hitherto served to supply some small exterior 

 basins. Of course, different qualities of water are quite 

 necessary for the success of the experiments in acclimatisation 

 carried on so zealously at this establishment. Some fish 

 delight in a clear running stream, while others prefer to pass 

 their life in sluggish and fat waters. The engineering of the 

 different water-supplies, all of them at different levels, has 



