26 



PERSIAN CATS. 



to sit on the table by his side while he was writing either 

 his letters, articles, or planning those improvements regard- 

 ing aquariums, for which he was so justly celebrated. 



Next in value is the light slate or blue colour. This 

 beautiful tint is very different in its shades. In some it 

 verges towards a light purplish or lilac hue, and is very 



