The Microscope. 253^ 



pared as this one is by well known specialists in the several de- 

 partments treated, would be disappointed if the result was a 

 failure. In this instance there could be no disappointment as 

 the work is skilfully done, embodying the latest discoveries and 

 the most recent practical applications of physical science, while 

 much of the apparatus used in the experiments is new, some of 

 it being the invention of the authors. The book is praiseworthy 

 and, with the exception of one or two errors of statement that 

 the editor should have corrected, may be heartily commended 

 as having attained the authors' object in preparing it. 



Malaria and the Causation of Intermittent Fever. — Dr ' 

 H. B. Baker. Reprint. 



Treatment of Catarrh. — J. J. Stephens, M. D. Reprint. 



The Cure of Crooked and otherwise deformed Noses. — Dr 

 John B. Roberts. Reprint. 



The Relations of Bacteria to Practical Surgery. — Dr 

 John B. Roberts. Reprint. 



The Gap Worm of Fowls. H. D. Walker,M. D. — Reprint. 



Auscultation and Percussion. Dr F. C. Shattuck. — Physi- 

 cians' Leisure Library. Geo. S. Davis : Detroit. Price 25 cents. 



c°RRESP°nDmcn 



UIU*^^ ^ 



Editor The Microscope : — 



In the May issue, in my Reference Tables, I find that under 

 zinc white cement the quantities have been omitted. The Ger- 

 man formula should read: 1. Mastic, 10 pts. 2. Dammar^ 

 4 pts. 3. Sandarac, 4 pts. 4. Venetian turpentine, 1 pt. 5. 

 Spts. of turpentine, 20 pts. 6. Benzol, 10 pts. The method of 

 mixing 1, 2, 3 with 4, 5, 6 is correct. The English formula 



