( m68 ) 
bearded Moath; which they can draw- in'^agairj, and*, that 
fi rapid ftreain runs coaltantiy toward their tore part, as if 
they drew in water, but I rather beheve this current is 
made by a nimble rreniulous motion of fome minute Fins or 
Legs, which my Glafles will not dilcover. 
Thofe AniwdlaiU marked F. are alfo plentiful in all the 
Waters and are the largeft of all, and I can fee them in a 
good light and pofition fwithout any other affiftance) with 
niy bare Eye. Their length being about the breadth of a 
Hair. Thefc have a very quick motion, and are perpetual' 
ly beating about like a Spaniel in a Field, and by their fre- 
quent turns and returns, fudden ftops, and carting off, feem 
to be always Hunting tor Prey. Their Bodies are very 
thin^ that which 1 take to be the Rack being much darker 
than the other fide, and you (hall fee them frequently turn 
fometimes one fide and ibmetimes the other toward your 
Eye, and many times you may fee part of each. Their 
edges are as it were fringed with a multitude of very minute 
Feet, which are moft confpicuous about the Head and 
hinder parts, where are alfo fome Briftles longer than tlie 
Feet, which (hew like a Tayl, a fhews one of thefe witli 
the£ack, and ^ one with the Belly toward you, and in c 
and d I have endeavoured to reprefent it as it often appears in 
other, poftures. I put (ome fliort (lireds of my Hair into 
their Water to compare their magnitudes by, and faw that 
they could ufe their Feet in Pi.unning as well as Swiming, 
for they would often ftand on an Hair, and go on it for- 
ward and backward from end to end, often ftooping down, 
and bending themfelves in feveral poftures. 
Among thefe are generally another fort f but not above 
I of their fize (whofc feet are alfo very vifible, fome of 
them are fliaped almort: like a Flounder,, and others are 
rounder behind, for by their motions and aftions I judge 
them the fame Creatures. Thefe alfo will ftand and run on 
an Hair, or any filth in the Wat^r, they are marked a b Fig. 
(j. I have likewife feen them double as at and go forward 
