NATURAL HISTORY. = 
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tre really placed above them: the brealt is compreffed, and the two 
hairs of the tail are twice as long as the body ; and between them there 
are two fhort crooked ones ; the legs are white as fnow, but thofe before 
are longer than the reft. It is commonly feen flying over waters im” 
the fummer months. ¢ 
The Ephemera with ftreaked wings, is a fmall flie, with an oblong, 
flender brownifh body, and a blunt tail without hairs: the wings are’ 
arge, white, and ftreaked, and fo formed, as to appear like net-work 
there are two prominent tubercles on the head that are fmaller than 
the eyes, and the male has a black brealt, and a tranfparent body ; but 
that of the female is of a reddifh brown. 
The brown Ephemera is about the fize of a Gnat, and has an oblong, 
flender body, and of a dufky brown, with a. black breaft, and long and: 
ender legs: the wings are large and tran{parent, and fomewhat of @ 
whitith colour; and the tubercles above the eyes are very large, being. 
of a deep blueifh black; there are alfo two hairs at the tail, which are 
as long as the body. 5 
The Libellula, fo called by Linneus, is a fort of water flie, for which’ 
Yeafon they are called water Nymphs by the Germans, and fometimes 
Dragon Flies. 
The bluecifh green bodied Libellula isa beautiful infect, and has a body 
almoft an inch in length, which is of a fine green, with a blucifh caf e 
the head is large, as well as the eyes, whieh are prominent; and the 
gs are flender and black: the wings are brownith,. with a yellowifhy 
tin@ure, and have each an oblong white {pot near the edge: the male 
- a blue body, and blueith wings, and is commonly feen flying.over 
aters. 
The red bodied Lidellula has a body nearly as long as the former}. . 
Ut it is more flender, and of a bright red colour, with a large head, 
and large prominent eyes: the legs are flender, and there are fome 
lack lines near the fegments of the belly; but the wings are pellucid 
nd brownifh, and have each a brown {pot near the edge. It is com- 
®on about fith-ponds.. i . 
The Libellula with a double {pot on the edge of each wing, is near 
®n inch and a half long, and confiderably thick ; but it is larger at the 
two extremities than in the middle:. the brealt is thick, of a greyifly 
Colour, and hairy on the upper part; the wings are yellowifh towards 
the bafe, and whitith elfewhere, except the double fpots, which are of 
@dufky brown: the body itfelf is. of a fhining green, and alittle hares. 
ti the fides, and the tail has two appendages. . It is common abous . 
ers, % 
Linneus likewife divides thefe infedis into the middle fized, the fmall, °° 
and the great. : 
1. The firkt of the middle fized is called by the author the Lilellula 
With a filky fhining body, and. wings of a yeliowifh dufky colour. It 
8 termed ‘by Ray the middle fized Libella with a blueith green body, 
@nd dun wings without fpots. It frequents the fides of rivers, and the 
Colour is-blue, inclining a little to black; the wings are of a yellowith 
Town, without any fpeck on. the external edges of the wings, which 
all Other’ kinds are marked with, except the two following. 
2; The. Lidellula with a blue fhining body, and wings of a blueifh: 
Steen, dutky at the point, and without Spots on the edge. - Ibis called 
Soi : ? be 
