Of the conclusion arrived at by a committee of the Academy of Sciences of France, agreeably to which, tornados are caused by heat

while, agreeably to Peltier's report to the same body, certain insurers had been obliged to pay for a tornado as an electrical storm, also, abstracts from Peltier's report : moreover, quotations shewing the ignorance which existed in the Academy respecting the nature and causes of the meteor in question, prior to the publication ascribing it to a convective discharge of electricity : with objections to the opinions of Peltier and Espy

2nd ed., rev. and amended.