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guilhed Kinds, and of different Colours, 

 as green, grey, black, red, (^c, 



Notone5l^^ Boat Flies, a Water Infed. 

 Some Kinds have the Antennae fliorter 

 than the Thorax, others have none tlie 

 hinder Legs are formed for fwimming, 

 and fome Kinds fwim on their Backs. It 

 is only neceffary to mention here the 

 common Boat Fly, the fmall Boat Fly» the 

 large black Notoneda, a Native of the 

 Eaft Indies^ and a brown Notonedla. 

 " jSk-p<£^ Water Scorpions, have four 

 Wings, eadi of the fore Feet armed with 

 a Forceps, in Shape like a Crab's Claw. 

 It is a thin and light Infed, yet a flow 

 Mover ; its Head is fmail, and has a 

 fmall Frobofcis ; the Body on the Back 

 is of a red Lead Colour, but a dufky 

 brown on the Belly, and is covered with 

 a kind of Scales ; the Tail is long and 

 flraight, compofed of two tender Fibres, 

 Vvhich it feldom feperates : it lives amiong 

 the Weeds in clear ftanding Water?. 



Cocdy 



