THE 
FRESH-WATER AQUARIUM 
Byron. 
CHAPTER I 
CONSTRUCTION AND MANAGEMENT OF RIVER TANKS 
R IVER tanks are far inferior to marine tanks in scientific interest, but 
they make ample amends for their failing in that respect. As em¬ 
bellishments they must have the first place, because of their freshness and 
beauty when skilfully managed, and the accessibility of materials for furnishing 
them, and the comparatively small amount of skill required to bring them to 
perfection. 
The marine aquarium may be likened to a museum, and the fresh¬ 
water aquarium to a panorama. The first will attract the student and afford 
a study for a lifetime to a few. The second is well adapted for the delight of 
