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conditions of the body from being allowed to 

 become developed, and towards bringing the 

 unnatural back into the natural state — in fact, 

 towards aiding in carrying life on in a natural 

 manner through its ordinary term of existence. 

 In every branch of study relating to our art 

 immense progress has in recent years been made. 

 It is true, all gain in knowledge must be regarded 

 as contributing to the improvement of our position, 

 but at the same time it is not permitted to us to 

 see in each gain a direct applicability to a useful 

 end. I will however refer to one issue of research 

 derived from the labours of the present day which 

 has already yielded much good and useful fruit 

 and gives promise of yielding much more. 



Belonging to the realm of living nature there are 

 small organisms, the existence of which we must 

 have remained unconscious of in the absence of the 

 aid of the microscope. The organisms to which 

 I refer are rod-like in form and of such minute 

 dimensions as to require a good magnifying power 

 to enable them to be brought into view, and some 

 of them, also, to be rendered visible require to be 



