March another lake was found and named by Hawdon after Bonney – see Lake Bonney Riverland. They left the Murray on 23 March, and after travelling many miles, Mount Barker was reached. About 1 April they reached the seashore near where the township of Noarlunga now stands. Meeting some settlers, they made for Adelaide, where they arrived on 3 April and found a ready market for their cattle. Returning to Port Phillip by sea, Bonney brought another herd of cattle overland to Adelaide in February 1839, travelling through south-west Victoria rather than following the River Murray, a longer but safer route. Near the border the country became very dry, and disaster was narrowly averted. Fortunately water was found, and when the Murray was crossed only one bullock and one horse were lost. In spite of their difficulties, only 23 cattle were lost on the whole journey (Edward John Eyre, who had taken a similar route around the time of Hawdon and Bonney's first cattle drive, had not been so fortunate). He was a member of O'Halloran's 1840 punitive expedition following the massacre of survivors of the wreck of the Maria. Bonney stayed at Adelaide for a time and then joined Ebden again at the Murray. In 1841 a period of depression led to cattle becoming almost unsaleable. Political career In 1842 Bonney became a magistrate and commissioner of crown lands in South Australia. He held this position for about 15 years. When responsible government came in, Bonney was elected a member of the South Australian House of Assembly for East Torrens, and became commissioner of crown lands in the first ministry under B. T. Finniss. This ministry went out of office in August 1857 and Bonney resigned his seat in the following January. He was in England from 1858 to 1862, and returning to South Australia, was elected to the South Australian Legislative Council in 1865, retiring in 1866. In 1861 he was elected a fellow of the Royal Geographical Society. From 1869 to 1871 he was manager of the South Australian railways. In 1871 he was appointed inspector of lands purchased on credit, and in 1880 retired on a pension. In 1885 he went to Sydney and died there, at his residence, "Thornley", Woollahra, on 15 March 1897. He had been afflicted with blindness for some years. He left a widow, Charlotte (died 20 September 1902), two sons and