9 o THE MICROSCOPE. 



Items, 



« 



Make a number of cells at a time. 



Glycerine cannot be excelled as a preservative medium. 



Cells made of some of the balsams and finished with the same 

 are transparent, and look very neat. 



Remember that costly and complex apparatus does not insure 

 successful work. Good lenses with simple accessories. 



Do not go to work when in a hurry. The white zinc will be 

 too thick or your knife will be too dull. 



"How high an objective is that, Mr. G. ?" " It is an one-eighth 

 immersion." "Oh! is that all. I have a two-inch immersion." 



Triple and quadruple stainings are very curious and pretty, 

 but good single, or at most double, staining, is all the histologist 

 requires. 



Nothing will throw a microscopist into a chill more quickly 

 than to see a friend look into his microscope and focus down with 

 the coarse adjustment. 



It is no proof of the great skill of the operator or of the 

 superior value of his lens, because he can resolve a test "with the 

 microscope resting on a flour barrel and the mirror held up by a 

 stick." 



The microscope' gives us better ideas of the exact condition of 

 affairs in the examination of urine than the various chemical tests. 

 Therefore the time has come when every true physician should 

 know how to handle a microscope. — Dr. For mad, Louisville Med. 



News. 



Bacteria in Fishes.. — Oliver and Richet have examined 150 

 fishes of different genera and species, and find, in all cases, that 

 there are microbes in the blood and lymph. They conclude that, 

 contrary to what is believed to be the case in other vertebrates, 

 microbes occur normally in the fluids of fishes. — Comptes rendus, 

 188*. 



