_Although it was his Intention to have published all the Learned Observations he had made in his Travels, yet he liv’d to give us only a Description of the_ Bosporus, Thrace, _and_ Constantinople, _with an Account of the_ Antiquities _of each of those Places. In his Search of what was curious he was indefatigable, and had a perfect Knowledge of it in all its Parts. He had also translated into_ Latin Theodore_’s Commentaries on the_ Minor Prophets, _and sixteen Books of_ Ælian_’s_ History of Animals. Petrus Belonius _is highly reflected upon, in that being his Domestick, and a Companion with him in his Travels, he took the Freedom to publish several of his Works under his own Name: And indeed such a flagrant Dishonesty in acting the Plagiary in so gross a manner, was justly punish’d with the most severe Censures; since it had been Merit enough to have deserv’d the Praises of the Learned World for Publishing such valuable Pieces, with an honourable Acknowledgment of the Author of them_. _I have no Occasion to vindicate the Worth and Credit of my Author, whose Fame will live, and flourish, while the Characters given him by_ Gronovius, Thuanus, Morreri, Tournefort, _and_ Montfaucon _are of any Weight. These Great Men have recorded him to future Times, for his deep Insight into_ Natural _Knowledge, his unweary’d Application to the Study of_ Antiquity, _and his great Accuracy and Exactness in Writing_. _In the following Treatise, the Reader has before him a full and lively View of one of the most magnificent Cities in the Universe; stately, and beautiful in its Natural Situation, improv’d with all the Art and Advantages of fine Architecture, and furnished with the most costly Remains of Antiquity; so that_ New Rome, _in many Instances of that Kind, may seem to excell the_ Old. _I hope my Author will not be thought too particular and exact in describing the several Hills and Vales, upon which_ Constantinople _stands, when it is consider’d, that he is delineating_ the Finest Situation in the World. _The Manner in which he treats on this Subject is very entertaining; and his Descriptions, though with the greatest Regard to Truth, are embellish’d with a Grace and Beauty, almost Poetical. This, I look upon it, was occasion’d by the agreeable Variety of delightful Prospects and Situations, which the Subject naturally led him to describe._