314 THE AMERICAN MONTHLY [Oct. 



had failed in tlieir laboratory to find a nucleus in the red 

 corpuscle by any of their methods of staining, that a 

 nucleus did not exist, although he admitted that I had 

 stained and photographed such an object which was op- 

 tically perfect. I have still the original plate of my 

 photograph, and have shown copies to hundreds of 

 physicians. 



However, feeling discouraged at the want of sympa- 

 thy with my work, I simply let the matter drop, and 

 was glad to find by Dr. Moser's paper that the subject 

 is now claiming attention and has a prospect of being 

 followed up, as I consider it will be an important factor 

 in solving many of the most difficult medical problems 

 of the present day, when systematic and intelligent mi- 

 croscopical examination of the blood is carried on. — 

 Medical Review. 



The Microscope in Diagnosis and Prognosis. 



By C. H. EVANS, M. D. 



CANTON, OHIO. 



[Extract from a paper read before the Uuiou Medical Associaliou of Noitb 



Eastern Ohio.] 



In the investigation of disease for definite diagnosis 

 and prognosis the tendency of the day is to rely more 

 and more on the microscope and microscopical methods 

 of observation and investigation. In fact, the micros- 

 cope has been the principal means by which medicine 

 has advanced from an art to its present position as a 

 science, and the microscope has now become so essential 

 in medical practice that it is almost indispensable in the 

 every-day work of the conscientious physician, and to- 

 day I desire to emphasize the importance of a more ex- 

 tended use of the microscope in general practice, as it is 

 often the only means at our disposal in many doubtful 



