382 NERVES. 



chloride of palladium (which may be made as directed in 

 52). They are next put for twenty -four hours into a 1 per 

 cent, solution of iodide of potassium (the later paper quoted 

 says the iodide solution should be of 4 100 strength, and 

 that a relatively small volume of it should be taken, other- 

 wise the iodide of palladium, which is rapidly formed in the 

 tissues, may be again extracted by the liquid : small pieces of 

 tissue should not remain in it for more than one or two hours) . 

 Dehydrate ; imbed, if necessary, in paraffin by the chloroform 

 method; mount in balsam. 



A brown stain, being both a myelin stain and an axis- 

 cylinder and cell-process stain, and applicable both to 

 central and to peripheral nervous structures. It is very well 

 spoken of. 



