1896 THE MICROSCOPE. 127 



disease, wipe the instrument with their handkerchief, 

 which is the linen most liable to be full of g-erms, or a 

 towel, or even use the sheet, and carefully place it away in a 

 case prepared with a small amount of absorbent cotton in 

 the bottom to keep from breaking-, and unintentionally pre- 

 serving- the g-erms from time to time, to be conveyed to the 

 next unfortunate who may be the first patient called upon. 

 This seems to be a very simple thing to discuss, but any 

 reasonable person can readily see the necessity of having- 

 his thermometer thoroug-hly cleaned every time it is used. 

 It should be washed with soap and water, and if any cotton 

 is used in the bottom of your case, let it be sublimated cot- 

 ton, and occasionally renew \\.— Medical Record. 



NEW PUBLICATIONS. 



The Laryngoscope. — We have just received No. 1, vol. 

 1, of the Laryng-oscope, a journal devoted entirely to the 

 consideration of diseases of the nose, throat and ear. 

 It is a monthly and it is published in St. Louis, Mo. — Scien- 

 tific Ainerican. 



Micrometallography, as its name implies, deals with the 

 microscopic examination of sections of metals. It prom- 

 ises to be of g-reat practical use to the metal worker, for by 

 its means those mysterious fractures in steel, with which 

 every eng-ineer is familiar, are explained. Under the mic- 

 roscope the steel used by eng-ineers can be thoroug-hly and 

 carefully examined, and the steel "cells" tested. Flaws 

 in the interior of metals can be detected by the micro- 

 scope, and thus many accidents can be prevented. 



The 50th anniversary number of the Scientific Ameri- 

 can, just out, is a handsome and valuable publica- 

 tion of 72 pp. It reviews the prog-ress of the past 

 50 years in the various sciences and industrial arts; and 

 the various articles by the best scientific writers of the 

 day are racily reviewedand richly illustrated. The editors 

 have accomplished the difficult task of presenting- a com- 

 pendium of information that shall be at once historical, 

 technical and popular. The story of the half century's 

 g-rowth is in itself a veritable compendium of valuable sci- 

 entific information for future reference. Price 10 cents 

 per copy. 



