The Microscope. 



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Vol. VIII. DETROIT, OCTOBER, 1888. No. 10 



ORIGINAL COMMUNICATIONS. 



PRESIDENT'S ADDRESS, AMERICAN SOCIETY OF 

 MICROSCOPISTS. 



COLUMBUS, OHIO, 1888. 



THE NATURE OF PROTOZOA AND LESSONS OF THESE 

 SIMPLEST ANIMALS. 



D. S. KELLICOTT, PH. D., F. R. M. S. 



Fellows of the American Society of Microscopists, Ladies and Gen- 

 tlemen : 

 TN accordance with a well-established precedent, and ])j your kind- 

 -*• ness, it is my privilege to address you this evening hour of the 

 first day of the annual meeting. In making choice of a theme, I 

 have been guided largely by the safe examples of my learned and 

 distinguished predecessors who have addressed you on similar occa 

 sions, and who have preferred to discuss topics pertaining to their 

 special fields of research, rather than to present a general review of 

 the progress towards the perfection of the microscope and its acces- 

 sories, or to the mass of varied research with the instrument. The 

 President, last year, at Pittsburg, in beginning his address, said: 

 " Microscopy is more nearly cosmopolitan in its character than any 

 other science. If I did not believe this I should not have consented 

 to occupy this honorable position which I now hold by your suffrages. 

 I suppose I am indebted to this expression of your confidence on 

 account of the use which I have made of the microscope as an 

 essential factor in a single line of research." Likewise, I am pleased 



