[ 2 4 ] 
held near a Quart. I kept it till the latter End of 
May following; in which time it grew full half an 
Inch in Length, but very little in Breadth. 
I began my Obfervations. with this Kind of Fifh, 
beeaufe I took it to be the mod difficult (having 
formerly made fome few Attempts this Way) ; fup- 
pofing, if I but tolerably fucceeded in this, my other 
Attempts might be more fortunate. 
All this while it feldom or never eat any thing, 
excepting the fmall Animalcula which happened to 
be in the Water I gave it; which I found neceffary 
to do once every Day in Winter, and twice or 
thrice in the Spring, as the Weather grew warmer. 
When the Water was frefh, it would come up to the 
Top about once in an Hour, to blow out fome fmall 
Bubbles of Air ; then, putting its Nofe near the Sur- 
face, it would take in a frefh Supply ; and when it 
had taken in a fufficient Quantity, it would retire 
to the Bottom again. 
But, as the Water became more and more adul- 
terated by itsUfe,its Returns to the Surface were more 
frequent, till, at laft, it would remain there con- 
nually, till I gave it a frefh Quantity. 
Thus, I believe, I might have kept this Fifh for 
Years $ but a Multitude of Bufinefi one Day pre- 
vented me from giving it clean Water in due Time ; 
which unfortunately put a Period to the Life of my 
little Companion. 
However, fuch Care I had taken before of this 
beautiful little Animal, that, to the Moment it dred, 
it had not fo much as loft one fingle Scale. 
At firft when I catclVd this filver colour'd Fifh, it 
would not fuffer me to come nigh the Glafs which 
included 
