Medical Chemistry. 91 
The little brother of this child, nine months old and at 
the breast, was immediately relieved from an incipient 
whooping cough by the same means. 
A child of four and a half years was affected for five 
months, by a whooping cough, for the cure of which all the 
common remedies and especially the ‘syrup of ipecacuana 
had been applied in vain. Fifteen drops of the prussic acid 
were then administered in the course of three days; this 
remedy was then discontinued for four or five days, on ac- 
count of a febrile Se which lasted that length of 
time; it was then resumed and the cough disappeared in 
five days more; it veusaitses recurred at distant intervals, 
owing to wet os but bashing, caused it finally to dis- 
appear. 
ie Fall of ee years-of age, of a plethoric habit, but 
enjoying perfect health, and with: regular habits in all re- 
ects, (“et i quantité, de sang évacué tous les mois était 
a idante”) was, without any obvious cause seized with 
acute pains in the stomach, followed by a cough, which oc- 
severe. 
~ In summing up this mass of evidence, T Dr. Magendie ob- 
serves, that the remarkable accordance, between the obser- 
vations of distinguished men in various countries of 
appears: to be an irresistible proof in favour of this new med- 
bth and ‘of its perfect innocence, even in large doses, ad- 
ministered with prudence but without unnecessary timi 
He: remarks, that since the publication of his first me- 
moir, he has been much occupied in the eA I of 
