By C.T. Clough ... L.W. Hinxman ... the late J.S. Grant Wilson, C.B. Crampton ... W.B. Wright ... E.B. Bailey ... E.M. Anderson ... R.G. Carruthers ... With contributions from G.W. Grabham ... J.S. Flett ... and a chapter on the palaeontology by G.W. Lee ... Pub. by order of the lords commissioners of His Majesty's Treasury