Letter, from Thomas Maclear to Sir John Herschel, dated at Royal Observatory, Cape of Good Hope Autograph letter signed by sender. Has received the box from H.M.S. Rattlesnake and lists the parcels for John Frederick William Herschel. T. W. Bowler commenced the tidal observations yesterday. Outlines the method used. Was beset by dogs on the way home. Expects to hear from the first ship of an Assistant. 13 June 1835