Abstract
Since 1869 it has been generally held that magnesium salts have a curare-like action (Jolyet and Cahours, Arch. de physiol., 1869, ii, 113; Binet, Rev. méd. de la Suisse romande, 1892, xii, 523; 593; Wilki, Jour. de physiol. et de path. gén., 1906, viii, 794-803; Bardier, ibid., 1907, ix, 611, and others). As this point is of interest in connection with the behavior of animals after the subcutaneous injection of magnesium salts, we have re-investigated this phase of their action.
A. IN RELATION TO MOTOR NERVE IMPULSES.
Frogs have for the most part been used, though some observations have been made on mammals (rabbits, dogs, cats, rats, etc.). As the results are in agreement for all animals so far tried, only those on frogs and rabbits will be mentioned here.
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