Science Notes

Among new remedies chewstick is announeed as a mild tonic, stomachic and sialogogue. It is probably also a good expectorant and will be useful in pulmonary complaints. Adrue is an antiemetic and is recommended as a means of restraining the yoraiting of ehildren and the black vomit in yellow fever. Baycuru is bestapplied locally and makes a useful gargle. It is astringent and discutient in glandular swellings, and its use in all kinds of enlargements is recommended. PImento is advised as a superior reyulsive to mustard for external application, and it is believed that Duboisia will supplant Belladonna in ophthalmic surgery. Prof. Faraday has estimated that one grain of platinum may be drawn into a wire so fine as to reach around the globe. LONDON LïGHTED BY TnE Til AMES. - No one can see the electric light on the Thames embankmeDt without thinking of the Thames as an electromotor. The pictures of the old London bridge in Chaucer's time show huge water-wheels at work, and there is hardly an important river on the continent at the present day which does not work for any populous town through which it may happen to flow. At lowest ebb and in dryest weatherjthe "swell" of the Thames through its central arches is tremendous ; its horsepower could be easily measured. People talk about America being lighted by Niágara. It isproverbially diilicult to set the Thames on flre, but there is no reason why the Thames should not light up the whole of London.- London Truth. Spidera have been seen as small as a grain of sand, and these spin a thread io fine that it takes four thousand of .hem put together to equal in size a single hair Metals in text-books of chemistry ave clasifled according to theirafflnity for oxygen.