128 THE AMERICAN MONTHLY [April 



EDITORIAL. 



Cigarettes. ^^Vii analysis at tiic De])artnK'in of Ag-ricul- 

 ture sliowod : Ash 13. (K», water 13. lid, ammonia .05, nico- 

 tine 1.20, oils and fats 5.00, tiber ().00, sug-ar starch 50.00, 

 pretreate matter 12.50. No opium or arsenic was found 

 after analyzing- samples of all the common native brands. 

 The opponents should confine their charges to the injuri- 

 ous effect of the nicotine upon the nervous system and 

 upon the heart. It disturbs the regular systole and dia- 

 stole of the heart and chang-es the beat to a muffled flutter. 

 After the cerebral exhilaration and exaltation produced 

 by smoking-, come with the lapse of hours irritating- and 

 debilitating- or soporific effects, which give way under the 

 exhilaration of another smoke l)ut persist unpleasantly 

 unless treatment is g-ranted. A body subject to such 

 alternations cannot stand during- 25 years what it could 

 have stood if freed from them. 



Good Water. — Koch said that water is good unless it 

 contains over 100 microbes to the cubic centimeter. 

 Franland savs that lliei-e may be many more in good 

 water. 



Typhoid Germs. — Dr. Frankland put tv])lioiil germs into 

 deep well water, into ^^hames watei" and into Lake Katrine 

 water. The bacilli died more rapidily in Thames water 

 than in the lake water while they jiersisted longest in the 

 deep well water. The longevitv of the germs was ])i-(ipor- 

 tional to the freedom of the water from other inhal)itants. 



MI(JROS(X)PICAI> V nVlKATUS. 



A New Microscope Lamp. This excellent lamp, which 

 comliines pui'taliility with great efHcienc\-, was designed 

 and exliibited at the meeting of the (Juekett Microscopical 

 Club, on the H.ih ol last O.-tolur. bv Mr. W. (roodwin. :i 

 member of the chili. 



The lamp which is nickel-])lated, is 2'8in. in diameter 

 r.'jin. in heig^ht, and weig-hs about 3oz. A glance a.t the 



