C X r 1: \ T S 



Page. 



Introduction 9 



Salts used 11 



A'arieties selected . : 11 



Preston 12 



Turkey 13 



Zimmerman ..- 13 



Kharkof 14 



Padui -. 14 



Chul . 14 



Budapest . . 1 o 



Kubanka . 15 



Maraouani . 16 



Methods of experiments ... 16 



Method of establishing the toxic limits _ 21 



Results of experiments 23 



With magnesium sulphate 23 



With magnesium chlorid 25 



With sodium carbonate 27 



With sodium bicarbonate 28 



With sodiiim snl])hate _ 30 



With sodium chlorid- . .. 32 



Summary of tables 34 



Comparison of results with different species _ . . 35 



Ash analyses . . _ • _ 37- 



Individual variability 37 



Neutralizing effect of the salts employed upon other toxic substances 39 



Dilute solutions as stimulants 42 



Practical value of results 44 



Summary _ . 45 



Bibliography 47 



