Complex sentence: In the enlarged legislative council elected in July 1851 Torrens was one of the four official nominees nominated by the governor and when responsible government came in, in October 1856, Torrens became treasurer in the ministry of Finniss.
Split into simpler sentences: In the enlarged legislative council elected in July 1851, Torrens was one of the four official nominees nominated by the governor. When "responsible government" commenced in October 1856, Torrens became treasurer in the ministry of Finniss.