That which is further remarkable of theſe flies is, that it appears they qualify the ſpiders, by ſome means, for remaining a long time in as perfect a ſtate as the firſt day they were immured in their cells; I have ſeen ſpiders, so immured for ſeveral weeks, as whole and perfect in ſize, ſhape, and colour, as when alive.
There is another ſpecies of theſe flies, called galley waſps, which is double the ſize and of a bright light-blue colour. Theſe have very long ſtings, which are plainly to be ſeen when they are flying, with which they wound very ſeverely, cauſing the blood to ſpout out, as from the prick of a lancet.
The ſting of thefe flies is veiy painful, and perſons have been thrown into fevers by being ſtung ſeverely by them; but they are ſeldom offenſive, unleſs diſturbed.
The wood-horſe, called by the negroes the fairy-horſe, is a very ſingular inſect. Its head
