— a Local Anæs-thetic for Mucous and Submucous Surfaces.— The news wafted across the water from the Ophthalmological Congress in September last by Dr. H. D. Noyes, of New York, of the remarkable powers of the hydrochloride of cocaine as an anæsthetic to the mucous and subjacent tissues of the eye, has excited the attention of physicians all through the country. The information sent to the Medical Record by Dr. Noyes was in substance as follows: Dr. Koller (Dr. Lucien Howe, in his letter to the American Jour. of Ophthalmology, calls him Dr. Carl Carson), of Vienna, gave to Dr. Brettauer, of Trieste, a 2 per cent, solution of hydrochloric of cocaine for exhibition as a local anæsthetic for the eye. He had only lately become acquainted with its properties relative to the eye, and began his observations from a knowledge of its anæsthetic influence on the vocal