A letter of the 31 May from John Macpherson. was laid before Congress and read:

Resolved, That it be referred to Mr. [George] Read and Mr. [Thomas] M'Kean, who are directed to confer with Mr. Macpherson.

Resolved, That the committee of safety of Pensylvania be empowered to negotiate with Captain [Henry] Bellew, on the best terms they can, for an exchange of the prisoners on board the Liverpool; Provided always, that this shall not be construed so as to enable them to deliver up Lieutenant Bogar and Lieutenant Ball in the exchange.