or slanes. Letters subscribed by the relatives of a person who had been slain, declaring that they had received an assythment, and concurring in an application to the crown for a pardon to the offender. These or other evidences of their concurrence were necessary to found the application. Bell._—Letters rogatory. formal communication in writing, sent by a court in which an action is pending to a court or judze of a foreign country, requesting that the testimony of a witness resident w thin the jurisdiction of the latter court may be there formally taken under its direction and transmitted to the first court for use in the pending action. ‘This process was also in use, at an early period, between the several states of the Union. The request rests entirely upon the comity of courts towards each other. Nee Union Square