.93 
on land, but on the water* it is extremely 
nimble ; it swims, dives, dashes through 
the waves, an$ r-uns v as it were on the 
surface with surprising rapidity. " It pur^ 
sues/' says Button, " the fish to a very 
great depth, and is often caught in fisher- 
men's nets.. It dives deeper than the Scoo- 
ter Duck, which is taken only on beds 
of shell-fish, left bare by the ebb tide ; 
while the Grebes are taken in the open 
sea, often at more than twenty feet of 
depth/' > 
Pallas says, that these birds are so 
abundant in the lakes and ponds of south- 
ern Siberia, that the Tartars of Bara- 
bynsk carry on a considerable trade with 
their skins. 
* During the breeding season, if compelled to take wing, 
it seldom flies farther than from one side of the pool or broa4 
to the other. 
