It is necessary, however, to keep the fishes of tropical seas and streams in water of a very different temperature from that suited to others brought from arctic or sub-arctic climates; and this, like every other point affecting the natural peculiarities and habits of the fish, is attended to with minute and accurate care.

The skill and science brought to bear on the task of breeding accomplish this and much more difficult operations with marvellous ease and certainty.
On one of the buildings I observed one of the most remarkable, largest, and most complete timepieces I had yet seen; and I had on this occasion an opportunity of examining it closely.

The dial was oblong, enclosed in a case of clear transparent crystal, somewhat resembling in form the open portion of a mercurial barometer.

At the top were three circles of different colours, divided by twelve equidistant lines radiating from the centres and subdivided again and again by the same number.

Exactly at the uppermost point of each was a golden indicator.