study in its University, graduated there in 1796. Four years after- wards, he settled in London, and became a Licentiate of the College of Physicians. In 1806, he married Miss Tyssen, heiress to a con- siderable landed estate; and established himself in Finsbury Square. About this time, also, he was elected Physician to the Aldersgate- street Dispensary; and, in 1817, succeeded Dr. Cooke as Physician to the London Hospital. He became a Fellow of this Society in 1814.
Endowed by nature with great activity of mind. Dr. Yelloly ap- plied himself with indefatigable industry to the acquisition and the extension of medical knowledge. His views were not confined to the narrow circle of his own individual advancement, but, embracing a wider range of utility, they extended not only to the improvement, but also to the general diffusion of science, and to whatever was cal- culated to raise the character and exalt the dignity of the profession to which he belonged. This liberal public spirit, indeed, was, throughout life, the main spring of his exertions; and one of its prin- cipal fruits was the formation, in conjunction with his friend Dr. Marcet, of the Medical and Chirurgical Society of London. The objects contemplated by such an institution were to establish a closer bond of union than had previously existed among the several branches of the medical profession; to collect a comprehensive medical library for their use; to read and discuss medical papers at the evening meetings; to publish a selection of these papers in the form of Trans- actions; to promote a free interchange of information, and to culti- vate liberal and kindly feelings among the members. Many of the most eminent practitioners, both in Medicine and Surgery, were in- vited to join this new Society, which, from small beginnings, soon increased in numbers and in reputation, so as in the course of a few years to comprise a large portion of the professional rank and talent of the metropolis. It was to the active exertions and persevering zeal of its two founders that this Society was mainly indebted for its early success and its continued prosperity, amidst occasional difficul- ties with which it had to contend. Dr. Yelloly, in particular, de- voted himself to its welfare with the attachment of a parent. At its commencement he officiated as Secretary, in conjunction v/ith Mr. Charles Aikin; and for many years he was scarcely ever absent from its meetings, taking a lively interest in all its proceedings, and an active part in the discussions of the evening. To its Transactions he contributed many valuable memoirs'^. At a later period, about
- These contributions were the following: —
1. A case of tumour in the brain, with remarks on the propagation of nervous influence. (November 29, 1808. Medico-Chirurgical Trans- actions, vol.i. p. 181.)
2. History ofa case of Anesthesia." (March 11, 1812. Ibid. vol. iii. p. 90.)
3. Observations on the vascular appearance in the human stomach, which is frequently mistaken for inflammation of that organ. (July 24, 1813. Ibid. vol. iv. p. 371.)
4. Particulars of a case in which a very large calculus was removed from the urethra of a female without operation; with examples of analogous cases. (June 20, 1815, Ibid. vol. vi. p. 574.)
