It is stated by the German physicians that, after the third or fourth bath, some indisposition is usually felt—some giddiness about the head, and a relaxation, or sense of weakness in the limbs. These symptoms disappear in a day or two by repose and abstinence. The use of these waters renders people more susceptible of atmospheric impressions, of the electric kind, especially before or during a storm, accompanied by a sense of prostration or exhaustion, and heaviness about the head, with depression of spirits. The internal exhibition of these waters promotes the action of the bowels, and still more of the kidneys, attended by increase of appetite. The deposits of this water are extolled as applications to old wounds and inveterate ulcers. “Long and multiplied experience (says Dr. Streinz) has proved that the bathe of Gastein re-animate the vital powers that were almost extinct—comfort and give tone to the flabby limbs—communicate new and vivifying heat to the blood—vigor to the nerves—and, through the medium of the magnetico-galvanic principle, re-establish the activity of the whole animal organism. Those who labour under direct debility, are those who have experienced most benefit from these waters—as those who have lost their strength from excessive efforts of the mind, large discharges of blood, or too copious and violent evacuations of any kind—those who have never perfectly recovered from severe acute diseases—who labour under disorders of the digestive organs—tremors—hypochondriasis—hysteria—neuralgic pains—inveterate gout and rheumatism—paralysis—contractions—affections of the spine—scrofula—mercurial diseases, &c. Their exciting qualities, however, render it necessary that both patient and physician should watch their physiological action on the body, and observe a very mild and abstemious regimen.” Dr. Granville appears to be quite as confident in the efficacy of the Gastein waters as Dr. Streinz, Dr. Storch, or any of the most sanguine of his German brethren. “I have no more doubt of the power which this mineral spring possesses, in the diseases for which it has been recommended, than I have of the effect of bleeding in subduing inflammation.” My friend’s “grain of faith” is not like that of a mustard-seed—it is as large as a cocoa-nut! At all events, I cannot swallow it; and entertain very strong doubts indeed of the efficacy of Gastein water in such a multiplicity of serious diseases as are comprehended in Dr. Granville’s or Dr. Streinz’s catalogue. I can easily conceive that these waters, assisted by the mountain air, the romantic scenery, and the journey to the place, may produce all the effects which can be expected from such waters as Pfeffers, Wildbad, and Schlangenbad; but that they can work like magic I entirely disbelieve. PRAGUE.