Sack Leaping a Bay. | 355 
he grows more suspicious, till at last as you approach 
he is off immediately. 
Jacks lie a great deal in the still deep ponds that 
open off the brook or are connected with it by a deep 
ditch ; they have been known to find their way up to 
a pond from the brook through a subterranean pipe 
which supplied it with water. Those that remain in 
the ponds are usually much larger than those found 
in the stream: these are often small—say, a pound 
to two pounds in weight. In the spawning season, 
however, they come out from the ponds and go up 
the brook in pairs or trios. They keep close together 
side by side—the largest in the centre when there 
are three. The brook at that time seems full of 
jacks; and to any one who has been accustomed 
to stroll along it is surprising where they all come 
from. 
Although the jacks lie in the quiet ponds most. of 
the time, yet some of them travel about a great deal, 
especially the smaller ones ranging from one to two 
pounds. These will leap a bay or dam if it interrupts 
their voyaging down thestream. I have seena young 
jack, about a foot long, leap over a bay, and fall 
three or four feet on to the stony floor below, the 
stones scarcely covered with water. The jack shot 
himself perhaps two feet, and fell on his side on the 
stones ; there he lay quietly a minute or so, and then 
gave a bound up, and, lighting in the current, went 
down with it. A small jack like this will sometimes 
AAZ 
