Curare in the Treatment of Tetanus. 269 
les, 
directly through the stratum of air, but more especially at the two po 
where the con 
currents of vapor carried by winds converge and are 
\ 
According to Mr. De la Rive the aurora of the 29th August was a 
_ natural consequence of the great drought which had prevailed over the 
_ ¢pntinent. The dryness of the air had prevented the positive electricity 
from neutralizing itself directly with the negative of the earth. From 
this accumulation of electricity there finally took place towards the polar 
ah a discharge much more intense and much more rapid than usual, 
constituted the brilliant aurora in question. A fact which tends 
7 show that the aurora is an electrical and not a magnetical phenome- 
_ ton, is furnished by the ozonometrical observations made by Mr. Perigny, 
_ at Versailles. From the 28th of August to the 2d of September, he 
_ found the air to contain a quantity of ozone, relatively large, and more 
abundant by night than by day. 
Human Remains in the Drift.—For the last twenty years it has been 
known that axes of flint, evidently wrought by human skill, were found 
seis 
orh 
i erelusion from all 
© SéVeral s 
their fogs 
il rema: 
