Chair: Comrie, Peter
Papers:
Knott, Cargill Gilston: "Note on the Quaternion theory of confocals"
Muirhead, Robert Franklin: "Geometrical notes on the accelerations of points of a rigid plane body moving in its own plane", [Title] {Communicated by Ellice Martin Horsburgh}
Elected:
Blake, A Basil
Low, Allan J
Macnaghten, Stuart E