Of Lice 
9® 
Of the Ionic. 
, H E tranfparency of its fkin enables us by the help 
A of the microfcope, to difcover the motion of the 
mufcles °, (which unite in an oblong dark fpot in the 
middle of its bread) as the loufe moves its legs; and alfo 
in the head, when the horns are moved, and in the feveral 
Articulations of its legs. The peridaltic motion of the 
inteftines is really furprizing, which is continued from 
the ftomach through the guts to the anus. The various 
ramifications of the veins and arteries, which are white, 
and a regular pulfe may be alfo difcerned. From its head 
proceeds two hairy horns B B, fig. 159. with four joints. 
Its two black eyes are fhewn at C C, fenced round with 
feveral fmall hairs; it has fix legs, covered with a very 
tranfparent {hell, and jointed exactly like a crab’s or 
lobder’s claws; each leg hath five joints with feveral 
fmall hairs interfperfed about them 5 at the end of each is 
two fharp hooked claws, as may be feen in the figure, 
unequal in length and fize 5 one of which refemhles that 
of an eagle, but the other of the fame foot P Hands dralt 
out, and is very fmall ; between thefe two is a raifed 
,jpart or knob, mod exquifitely contrived for performing 
thofe motions of walking and climbing up the hairs of 
the head; for when it walks, by having the leffer claw 
G fet fo much fhort of the bigger H, that the former 
does not touch, and by means of the fmall joints in the 
latter, it is able to bend it round, and fo with both claws 
to grafp and hold fad the hairs q . From its fnout at the 
hole D, when the loufe is going to feed, it pufhe-s out a 
pointed 
0 JPlfih Tranf. No. 284. p Ibid. No. 94. ? Hook’s 
Micro, p. 212. 
