 In memory of Lieut.-Colonel Alexander Seton , Ensign Alex . C. Russell , and forty @-@ eight N.C.O.s and men of the 74th Highlanders who were drowned at the wreck of H.M.S. ' Birkenhead ' on the 26th February 1852 , off Point Danger , Cape of Good Hope , after all the women and children on board had been safely landed in the ship 's boats . 
