July 18, 1849 (Wednesday)

The cholera is still pretty bad, the thunder storm of last Saturday not having driven it entirely away, altho’ it has been pleasantly cool since.

Was called on by friend Morgan this evening when we took a walk.

Nathan is giving us confirmation the “hurricane” reported by the Philadelphia Inquirer on July 14, was likely a very severe thunderstorm.  By whatever name, though, it caused a great deal of damage.

The cholera, we now know, is caused by a water-born bacteria. In 1849, the cause was thought to be miasma or bad air.

James H. Morgan is a frequent companion to Nathan.

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