T O Sir JOHN PRINGLE, Baronet, Physician to her MAJESTY; In Teftimony of the fincere Friendfhip that fubfifted between him and the Author; A N D In Gratitude for the Care he has taken of this complete Edi¬ tion of his WORKS, They are moil refpeâfully dedicated by his SON, ROBERT WHYTT.