ON DISTRIBUTION. 25 



one vessel, and not to allow the snn to shine upon 

 the water, or else it soon gets thick and green. If 

 properly arranged, with a few sprigs of water weed 

 growing in it, the water will remain clear and bright 

 for months. 



It would be a great boon if a fresh- water aquarium 

 on a large scale, similar to the marine aquaria that 

 have lately been established at home, at Brighton and 

 other places, could be set up in India. The great 

 variety and beauty of the Indian fishes would then be 

 appreciated ; and valuable results might ensue in re- 

 lation to the importance of fish as a food supply, a 

 subject which Dr. Day has lately been investigating 

 on behalf of Government. 



