1847.] Note to accompany Chart of the Bay of Bengal. 84 9 



Barometer fell from the day before the eruption till the twenty-sixth day 

 after.* Mr. Espy quotes several other cases, and Humboldt for South Ame- 

 rica, to show that nothing is better established than the fact of the connec- 

 tion of volcanoes with rains and storms. Purdy (Atlantic Memoir) also alludes 

 to the supposed focus of sub-marine volcanic action on the Equator, in that 

 sea, as the spot to which the southern extremes of the West Indian hurricane 

 tracks would tend, if continued. If I advert to these speculations it is with 

 the hope of drawing the attention of intelligent mariners to them." 



* Espy, p. 67, 68, not correctly printed. 



