^4 Hijlory ^/ANIMALS* 
The other fpecies are, i. The great, black Notoneda of the Eaft Indies. 2. The 
black and white, fmaller Notoneda. 3. The broader, brown Notoneda. 4. The 
little yellowifh, Mated Notoneda. 
N E P A. 
HE rollram, or fnout, of the Nepa is infieded : the antennae are formed into a 
j[ kind of claws 3 the wings are four, and are cruciated : the legs are only four. 
Nepa abdominis margine integro . 
The Nepa , with the edge of the abdomen undivided. 
%\yt ttatet 
This is a large Infed; it is near an inch in length, and about half it’s length in 
breadth; it’s body is of a kind of elliptic form, very flat and thin, and it’s tail long 
and pointed : it’s head is fmall 3 the antennae have much the appearance of legs or 
arms, refembling the claws of a crab, or fcorpion, but they have no fharp points: the 
bread is fomewhat acute underneath 3 the tail is formed of two capillaments, which 
eaflly feparate : the legs are flender 3 the body is compofed of feveral joints, and the anus 
is remarkably large : the trunk is long and fharp 3 the exterior wings are of a deep, 
blackilh, olive colour 3 the interior ones white or reddifh. 
It is common in ponds, and is a very great deftroyer of the other water Infeds. 
Moft of the writers on thefe fubjeds have defcribed it 3 Mouffet calls it Scorpius aqua- 
ticus 3 others, Scorpio palufiris, and Araneus aauaticus. 
Nepa abdominis margine ferrato. 
'The Nepa , with the edge of the body ferrated. 
This is about a third of an inch in length, and is broader in proportion than the 
former fpecies: it’s back is fomewhat elevated, and it’s colour is a pale brown, with a 
tinge of the olive : it’s head is fmall, and the eyes black, the whole edge of it’s body 
is finely ferrated : it’s claws are fmaller, in proportion, than in the former, but of the 
fame form. 
We have it in great abundance in our trout rivers in Buckinghamfhire. 
C H E R M E S. 
T HE roflrum or trunk of the Chermes is fituated under the bread;: the abdomen 
is pointed at the hinder extremity 3 the wings are four, and lateral 3 the legs 
are formed for leaping. 
The Infed, called Kermes in the fihops, is not of this genus, but of the fame with 
Coccus Polonicus, hereafter to be mentioned under the name of Coccus. 
Chermes alni . 
The Chertnes of the alder . 
50)e 3lUset4>u0. 
This is a fmall Infed 5 it’s body is of an acuminated figure, it’s colour white 5 it’s 
eyes are lateral and prominent 3 it’s legs are fix in number 3 it’s tail is acuminated and 
bifurcate, and over it there is a prominent ftyle : the antennae are variegated 3 the mouth 
is fituated under the belly, between the infertion of the firfl: and fecond pair of legs, 
and is blackifih 5 the wings are four, and are white, variegated with brown veins. 
This Infed, in the worm-ftate, is about 'the bignefs of the loufe 5 it’s body is flatted, 
and it’s colour green and fpotted 3 the belly is obtufe and elevated behind, and is black- 
ifh toward the extremity ; the antennas are flender, ftraight, and part black, part white ; 
there are a number of white, reflex hairs, which have their origin at the tail, and 
cover almofl; the whole body. 
It is very common on the alder. 
3 
Chermes 
