266 
THE 
CANADIAN 
NATURALIST. 
its awkward attempts at hopping when it moves, do not 
tend to render it a general favourite^ any more than its per- 
sonal beauty. 
F, — These are all the species that I can mention as 
common ; but there is another which I suppose to be 
quite rare^ or^ at leasts seldom met with. About this time 
last year, I saw on a raspberry bush a small frog, about an 
inch and a half long ; as near as I can recollect, it was of a 
pale brown or drab colour ; it was very active^ leaping from 
leaf to leaf. It attracted my attention by its unusual 
situation, and by the tenacity with which it clung to the 
leaves, always adhering where it alighted, without any 
struggling or falling off, however inclined the surface might 
be. I caught it, and observed that the ends of the toes 
were furnished with round, dilated, membranous suckers ; 
from which circumstance I have since discovered that it was 
a Hyla, or Tree-frog {Hyla Versicolor), While I was hold- 
ing it in my hand, it leaped to the bush ; and though I 
searched long and anxiously, I could not again find it, I did 
not then know that they generally adhere to the lower sides 
of the leaves and branches, which may be a reason why 
they are so seldom seen. 
C. — See, see ! there is a little animal leaping like a kan- 
garoo through the grass. 
F, — It is the Canadian Jerboa, or Deer-mouse, as it is 
called here {Gerbillus Canadensis) ; and a beautiful, agile 
little creature it is. It is of a bright fawn colour above, and 
pure white beneath : the hind legs are much longer than the 
fore ones, and it usually moves by long leaps, as that which 
you have just seen ; I believe, however, they put their fore 
feet to the ground when not disturbed : the tail is very long. 
They are often seen in mowing and in reaping: I have 
