Lectures 45 303 On a new and easy method o f analyzing sugar Read 9 Mar. 1841. Printed 14 304 On the citric acid, the oxalic acid, the acetic acid, and the tartaric acid Read 5 Oct. 1841 305 Meteorological observations, at Manchester, made in the year 1842 Read 20 Jan. 1843 306 On the fall o f rain, etc., etc., in Manchester, during a period o f 50 years Read 16 Apr. 1844