Lord Durham left Montreal on July 10th, arrived in Kingston late on the night of the 11th, and then proceeded to Niagara. At Niagara Sir George Arthur met him. From Niagara Lord Durham journeyed to Toronto where Sir George was also present to receive him formally, along with the mayor and corporation and the citizens of the provincial capital. On the 19th of July Durham returned to Kingston and thence down the St. Lawrence to Montreal where he arrived on July 24th. His visit to Upper Canada had been short but he had covered a great deal of territory and seems to have been pleased with what he saw. If one of Lord Durham's objects in making his hurried trip to Upper Canada was to obtain a better understanding with Sir George Arthur he must have been disappointed since shortly after his return to Lower Canada their relations became somewhat strained. The reason for this was the action of Sir George Arthur and his Executive Council in sentencing to death Samuel Chandler and Benjamin Waite for their part in the Short Hills affair. The families of these men had appealed to Durham "for an extension of the Royal mercy" and "for the grant to them of Her Majesty's pardon."[36] Durham asked Arthur for particulars, reminding him that Lord Glenelg had written on the 3rd of April asking that "the utmost lenity, compatible with public safety, should be exercised towards the insurgents." To this Sir George Arthur replied on August 20th, complaining that Durham's action was "depriving the officer administering the Government of Upper Canada of the powers expressly vested in him by the Royal Commission."[37] Arthur also claimed that Durham "had misapprehended the intention of the instruction of the Secretary of State" and Lord Glenelg had in a despatch of July 12th referred him "to the power of pardoning for treason vested in the officers administering this government under your Lordship's commission as Governor-in-Chief." Durham in his turn maintained that all he wished was to exercise the superintending authority he possessed as Governor-General. He admitted that Arthur had the power of pardoning for treason delegated to him, but would argue that that power was exempt from "the general subordination to instructions from the Governor-General."[38] Durham then proceeds to give his opinion of Sir George Arthur's policy in the following terms.