LEECH-BAROMETER. 225 



abound in India, and we should not despair of receiving 

 them from so distant a region. France imports leeches 

 from Hungary, Turkey, and Syria, besides exporting 

 them to Brazil, Chili, and Peru. 



We conclude by informing our readers that the sus- 

 ceptibility of the leech to changes in the atmosphere 

 makes it a true weather-prophet; and Mr Merryweather, 

 taking advantage of this peculiarity, has constructed an 

 instrument in which the movements of a leech set a 

 bell a-ringing, and so announce a coming storm. 



