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SUMMARY OF CURRENT RESEARCHES RELATING TO 
among microscopists ? Simply from the fancied difficulties of the 
necessary but simple manipulations required ; and from the real one of 
the absence of any form of camera which could find a regular and 
permanent home upon the work-table, occupying no more space than the 
Microscope itself, and always ready for immediate use. The latter is a 
most important requisite. How frequently does the student find in the 
course of his observations upon living and other tissues, features that 
are vital toward proving the truth of his researches, but so evanescent 
that the lapse of even a few minutes may suffice to obliterate them? 
If, then, there be at his elbow a small, simple camera which can be at 
once applied to the Microscope without the slightest alteration of the 
latter, save placing the body in a horizontal position, using the same 
source of illumination, be it diffused daylight or that of the ordinary 
lamp, has he not a boon within his reach, which a few years since would 
have been deemed impossible ? And are not his thanks due to the fellow- 
worker, whose own wants found expression in the original of the 
“ Handy ” photomicro camera ? 
My friend Mr. H. Wingate, of Philadelphia, has long been an ardent 
worker with the Microscope, his studies being almost exclusively confined 
to the minute fungi belonging to the family of Myxogastres. He is 
exceedingly skilful with the pencil, and his drawings of these minute 
organisms, their spores, &c., are at least equal to any that have ever 
come under my observation. But, being actively engaged in business, 
the time wasted in making these drawings w r as a large tax, and he de- 
termined upon calling in the aid of photography; and there being 
