 Complete the following phrase:  In 1848 he unsuccessfully sought election for the New South Wales Legislative Council seat representing the Town of Parramatta, but in 1849 he was elected the member for Port Phillip. That seat was abolished when Port Phillip separated as the Colony of Victoria in 1851 and Macarthur remained in the council as the member for the Pastoral Districts of Lachlan and Lower Darling before resigning in 1855. In 1854 he was a member of a commission for the colonys participation in the 