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PRACTICAL HISTOLOGY. 



Fresh Fluids with Suspended Particles. In the examination of 

 a fluid for suspended particles, e.g., bacteria, such as cells, membranes, 

 &c., especially if these be few in number, it is well to place it in a 



Fro. 51. Hand Centrifuge made by Muencke, Luisen-strasse, 58, Berlin, N. 

 It costs 3, 10s. 



conical glass and allow the deposit to subside. It can then be 

 removed with a glass pipette. 



Centrifugal Apparatus. To collect the sediment or suspended 

 particles, a centrifugal apparatus is most useful. By means of it 

 the deposit can readily be collected at the bottom of a test-tube. 



