MOUNTING ANIMAL STRUCTURES. 



591 



should be bandied witb wooden forceps, or tbe ordinary 

 forceps, tbe extremities of wbicb have been covered with 

 pieces of cork. When the piece of glass is warm enough, 

 a few pieces of glue, cut small, should be allowed to melt 

 exactly in the spot on which the ring of glass is to be 

 fixed ; the glass-ring is then applied and pressed down 

 upon a deal board, so as to press out as much of the 

 marine-glue as possible : all the superfluous glue should 

 be scraped off with a knife while it is yet warm, and cleaned 

 when cold with a solution of Potash (Liquor Potassce), and 

 finally finished in soap and water with an old nail-brush. 



Fig. 327. Baker's Student's Microscope. 



Mr. Baker, of Holborn, has produced an economical and 

 useful form of microscope, in every way suitable to the 

 requirements of the medical student during his hospital 



