4 An EJsay on the.

nature of the soul, which are commonlyurged from it; but rather proves to us theexistence of some separate immaterial agents.Those who are satisfied from what goes be-fore, that the natural powers of matter (asthey are called) and of mechanism, havebeen extended much too far in the solutionof the phænomena of nature, or rather thatthere are in truth no such powers; willreadily allow that they can have no sliarein producing the present phænomenon : andthose who still think, that this particular ap-pearance of dreaming is an exception to allthat has been said in the preceding part ofthese papers, will be best satisfied by goingon to examine circumstances minutely. Ifindeed this be an exception to all that is said,nothing at all is said ; and if what has beensaid be solid, this, I hope, will not be foundan exception to it. However, such an in-tricate subject cannot be cleared up in fewwords; therefore let me beg the attention,and candor of those who may have leisure toread this part of these papers • otherwisereasons may be condemned before they areheard. We shall find this advantage fromth t above-named Authors having written upon

this