Miscellaneous reflections on the small pox Compiled from the Writings of those late judicious physicians, Dr. Freind, Dr. Morton, Dr. Cade, Dr. Sydenham, &c. &c. To which are now added, I. A modest Attempt to find out the true Nature and occult Qualities of that most malignant Distemper, and such new Remedies for the Cure thereof, as may prove more easy, expeditious, and effectual, than any Methods hitherto extant. II. A Short View of the important Advantages arising from the Use of Spirit of Vitriol, Opiates, &c. III. And, Lastly, Some Cursory Remarks on the too common Practice of Bleeding on the first Symptoms of that approaching Disorder. By Richard Holland, M. D. Late Fellow of the College of Physicians, and F. R. S