374. Antidote to Corrosive Sublimaie. 
he found upon examination that this person’s hearing ter- 
minated at a note four octaves above the middle e 
piano-forte. Other instances were then referred to, of the 
insensibility of certain persons to various acute sounds, 
such as the chirping of the grasshopper, crickets, and spar- 
rows, and especially the squeaking of the bat, the existence of 
which is unknown in many individuals from its being inau- 
dible to them. ‘The pitch of the sound was stated to be 
about five octaves above the middle E. ‘The author fixed 
the limits of his own hearing at six octaves above the same 
riote. ‘The range of human hearing includes upwards of 
tine octaves, the whole of which are distinctly audible to 
most ears, although the vibration of the acuter sounds is 
six or seven hundred times more frequent than that of the 
lower. The author concluded by observing that it is very 
probable that other animals are so organized as to be able to 
distinguish sounds still more acute and of course more in- 
audible by human ears, and thus to possess what may be 
A Society for the Amelioration of Prisons has been es- 
tablished at St. Petersburg ; Prince Galitzin is the presi- 
ent.—Rev. Ency. . 
16. Pompeia. 
the eruption, the crater of Vesuvius was covered with crys- 
mee at 
Sal Saletan 
1. Antidote to: Corrosive Sublimate: 
“Me Patdet pestessot of Pharemeyin the hvepnatiatien- 
‘a Marie Nuova, of Florence has ascertained that the gl 
