CONTENTS. Xi 



The Natchez Tornado, 7th May, 1840 . '. . 337 



Storm at Natchez Interesting Particulars Espy's 



Theory 343 



Water Spouts 346 



From M. Peltier, on Trombes 348 



SECTION EIGHTH. 



OF METEOEIC RIVERS OR WATERFALLS, . . . 374 



Letter from Professor Silliman 385 



Letter from Mr. Theron Baldwin . . . .390 



An Account of a remarkable Storm which occurred at 



Catskill, July 26th, 1819 396 



Notice of a Hurricane which ravaged the Island of Ten- 



eriffe, in the month of November, 1836 . . . 404 

 Mr. Alison's Narrative of an Excursion to the Summit of 



the Peak of Teneriffe, in February, 1829 . . 410 

 Moray Floods, 3d August, 1829 414 



SECTION NINTH. 



OBJECTIONS TO THE THEORY, WITH ANSWERS. 



Professor Olmsted's Objections, with Replies . . 429 



Objections of Mr. Graham Hutchison, of Glasgow, with 



Replies 453 



Objections by Mr. Hopkins, of Manchester, England . 471 

 Reply to Mr. Hopkins, by a gentleman in Liverpool . 486 



SECTION TENTH. 



ARTIFICIAL RAINS 492 



Documents referred to in Article 204 .... 500 

 Benjamin Matthias, Esq., to Mr. Espy .... 508 

 Facts for Mr. Espy ....... 510 



APPENDIX. 



A. Original Documents of the Great Liverpool Storm of 

 6th and 7th of January, 1839 519 



B. Documents of the Storm of 17th of August, 1840 . 532 



