HYDROTHERAPY 275 



ing to Bayer, the temperature being only temporarily depressed 

 a few degrees. 



7. Cataplasms. These are effective especially because of their 

 heat and moisture. 



Other forms of hydrotherapy which may be mentioned are 

 simple cold and hot poultices, the ice poultice (ice pack), Leiter's 

 cooling apparatus, and the different cold and warm washes. In 

 regard to the use of the thermo-regulator, see the text-books on 

 operations and instruments. This apparatus makes possible the 

 uninterrupted (24 hours and more) action of radiating heat of 

 42 to 44° C, 



