72 Phe Hijlory ^ A N I'M A L S, 
wings are long, and toward the top narrow; they are white, but full of brown nerves^ 
It is frequent with us in May and June, in places where there are waters near. 
Phryganea nigra, alts albidis , Jlriatis, albo maculatis . 
Phe black Phryganea, with whitijh wings Jlriated, and Jpotted with white . 
This is a fly of about half an inch in length; the body is flender, rounded, and 
black: the wings are of a lanceolated figure, and are longer than the body, and ob- 
tufe j they are whitifh, and are full of brown nerves or veins, which form very beau¬ 
tiful reticulations; and there runs a long brown line between the two exterior nerves 
of each wing : the antennas are black, flender, and of the length of the body: the 
thorax is plain, but a little convex in the middle. 
It is common with us about waters. 
The other fpecies of Phryganea are, i. The Phryganea, with teftaceo-nervofe 
wings, and with the antennas protended forwards. 2. The grey Phryganea, with the 
exterior wings grey, with a black fpot on the edge. 3. The greyifh, teftaceous- 
winged Phryganea, with two longitudinal, white lines, and a white fpot on each. 1 
4. The Phryganea, with deflexo-compreffed, yellowifh wings, with a rhomboidal 
white fpot at the fide. 5. The Phryganea, with brown wings with two yellow fpots 
on them. 6. The Phryganea, with reticulated wings, and a naked tail, with the 
. edges of the thorax yellow. 7. The Phryganea, with the upper wings clouded, and 
the antennas longer than the body. 8. The leaping Phryganea, with the antennas of 
the length of the body, and with a green and white fpot on the wings. 9. The black 
Phryganea, with the hairs of the tail truncated. 10, The brown Phryganea, without 
fpots. 
EPHEMERA. 
H E Ephemera has two gibbous protuberances on the top of the head, refem- 
j[ bling eyes 5 the tail is furniflied with hairs, and the antennae are fhort. 
^ ■ * • 1 ‘ J - ■ i j 
Ephemera alis albis reticulatis , cauda bifeta . 
Phe Ephemera , with white, reticulated wings, and two hairs at the tail 
This is a moderately large fly: the body is oblong, flender, and whitifh, except 
fome few oP the extream articulations, which are brown: the head is fmall, but 
there are on it two elevated, lenticular, yellow bodies, having the appearance of eyes, 
and fituated above the eyes: the thorax is comprefied; the tail is terminated by two 
flraight flender hairs, of twice the length of the body, and between thefe there are 
two fhort and crooked ones: the legs are fnow-white, and the anterior ones are larger 
than the others: the wings are eredt, reticulated, of a fine white, but with a glow of 
flefh colour, as feen in fome lights. 
It is frequent with us in the fummer months about waters. 
• _ , ' 
Ephemera alis albis jlriatis . 
"The Eph emera, with white Jlriated wings . 
This is a fmall fpecies: the body is oblong, flender, and brownifh; the tail is ob- 
tufe, and has not thofe long hairs fo common to the generality of the Ephemeras: the 
wings are large, white, and ftriated j they have a great many nerves in them, but 
thefe do not form, any reticulations: there are two prominent tubercles on the head, 
but they are fmaller than the eyes: the male has the thorax black, and the body pel¬ 
lucid ; the female has the body of a reddifh brown. 
It is common about waters in June and July. 
Ephemera fufca cauda bifeta , alis albis . 
Phe brown Ephemera , with white wings , and a bifetous tail. 
This is about the fize of the common gnat: the body is oblong and flender, and of 
a dufky brown j the thorax is black 5 the legs are long and flender 5 the wings large 
and 
