106 THE MICROSCOPE. July 



THE MICROSCOPE. 



New Series, 1893. 



For Naturalists, Pkystctans, and Drug-gists, and Designed to Popularize 



Microscopy. 



Published monthly. Price $1.00 per aji?iu?n. Subscriptions should end 

 viith the year. The old series, consisting of 12 volumes {i88i-i8g2), e?ided 

 -vith December, i8g2. Sets of the old series cannot he furnished. All 

 correspondence, exchanges, and books for notice should be addressed to the 

 Microscopical Publishing Co., Washington, D. C, U. S. A. 



CHARLES W. SMILEY, A. M., EDITOR. 



EDITORIAL. 



Micro-organisms in Water. — This is the title of a volume 

 just published in England at $4.00. The author is Percy 

 Ffankland, Ph. D. We have not seen the book, but notices in 

 our European exchanges represent it as a standard work on the 

 identification and removal of low forms of hfe from water sup- 

 ply. The author gives quite a treatise on bacteriology, includ- 

 ing steriHzation, media, staining, etc. The action of light upon 

 bacteria is fully treated. In a 126-paged appendix are given 

 descriptions of over 200 micro-organisms liable to be found in 

 water, in the expectation that persons in charge of water sup- 

 plies will be able to make their own identifications. 



Fortunately we have at home an authority upon this subject, 

 Mr. G. W. Rafter of Rochester, who has also published an ex- 

 haustive treatise on the same subject. 



The duty of $1.00, which it costs to import Dr. Frankland's 

 book is offset by a correspondingly high price put upon Mr. 

 Rafter's book, so that both are out of the reach of common mi- 

 croscopists. Such is the tax put upon science by the monopo- 

 list's tariff bill which is now being passed by professed free 

 traders, and by the McKinley law, now in force. 



Opium. — Dr. P. Hehir, Surgeon Captain in the Bengal army 

 (and one of our subscribers) has made an extended study of the 

 opium habit. He estimates that there are 1,400,000 consumers 

 in Hyderabad out of a population of 11,000,000. He says that 



