 He wanted to consult Davenant at Salisbury about the 'Appello Csesarem' of Richard Montagu, on which Buckingham had asked his judgment.From Salisbury he went on to Dorchester, and thence to Plymouth, where Charles and Buckingham were.When the news reached Plymouth of the disaster at Rochelle (on the 15/16 Sep 1625, when the French under Soubise defeated hired Dutch ships near Rochelle), Preston did his best to excuse and defend Buckingham against the outburst of Protestant indignation.