Caius terminated his laborious and honourable career on July the 29th, 1573, in the sixty-third year of his age.[2] He was buried in his college chapel, in a tomb constructed some time before his decease, and marked with the brief epitaph--"Fui Caius." In the same year in which this physician of Edward VI., Mary, and Elizabeth died, was born Theodore Turquet de Mayerne, Baron Aulbone of France, and Sir Theodore Mayerne in England. Of Mayerne mention will be made in various places of these pages. There is some difficulty in ascertaining to how many crowned heads this lucky courtier was appointed physician. After leaving France and permanently fixing himself in England, he kept up his connection with the French, so that the list of his monarch-patients may be said to comprise two French and three English sovereigns--Henry IV. and Louis XIII. of France, and James I., Charles I., and Charles II. of England. Mayerne died at Chelsea, in the eighty-second year of his age, on the 15th of March, 1655. Like John Hunter, he was buried in the church of St. Martin's-in-the-Fields. His library went to the College of Physicians, and his wealth to his only daughter, who was married to the Marquis of Montpouvillon. Though Mayerne was the most eminent physician of his time, his prescriptions show that his enlightenment was not superior to the prevailing ignorance of the period. He recommended a monthly excess of wine and food as a fine stimulant to the system. His treatise on Gout, written in French, and translated into English (1676) by Charles II.'s physician in ordinary, Dr. Thomas Sherley, recommends a clumsy and inordinate administration of violent drugs. Calomel he habitually administered in scruple doses. Sugar of lead he mixed largely in his conserves; pulverized human bones he was very fond of prescribing; and the principal ingredient in his gout-powder was "raspings of a human skull unburied." But his sweetest compound was his "Balsam of Bats," strongly recommended as an unguent for hypochondriacal persons, into which entered adders, bats, suckling whelps, earth-worms, hog's grease, the marrow of a stag, and the thigh-bone of an ox. After such a specimen of the doctor's skill, possibly the reader will not care to study his receipts for canine madness, communicated to the Royal Society in 1687, or his "Excellent and well-approved Receipts and Experiments in Cookery, with the best way of Preserving." Nor will the reader be surprised to learn that the great physician had a firm belief in the efficacy of amulets and charms. [2] In Dr. Moussett's "Health's Improvement; or Rules concerning Food" is a curious passage relating to this eminent physician's decay.