xxxvi Address of Mr J. W. Clark, President, 



June 4, 1832. 



By Joh. Hogg, M.A. (Pet.) : On the classical plants of Sicily. 



By Professor Henslow : Exhibition of a drawing representing the construction 

 of Reseda, in illustration of his former paper. 



By Professor Clark : Exhibition of a semi-double fostus of a pig, with 

 explanation. 



By Professor Cumming : On Mr Faraday's recent discoveries in magneto- 

 electricity, with illustrative experiments. 



November 12, 1832. 



By Geo. Green : Mathematical investigations concerning the laws of the 

 equilibrium of fluids analogous to the electric fluid ; with other similar 

 researches. Trans, v. 1 — 63. 



By Aug. De Morgan, B.A. (Trin.) : On the general equation of surfaces of the 

 second degree. Trans, v. 77 — 94. 



After the meeting Professor Henslow gave an account, illustrated by various 

 drawings and diagrams, of various observations of Geology and Natural 

 History made by him during a residence at Weymouth during a portion 

 of the summer. 



November 26, 1832. 



By Rob. Murphy, M.A. (Gonv. and Cai.) : On an elimination between an in- 

 definite number of unknown quantities. Trans, v. 65 — 75. 



By Will. Whewell, M.A. (Trin.) : On the architecture of Normandy. 



After the meeting Mr Ch. Brooke (Joh.) gave an account of the history and 

 recent improvements in Lithotripsy, illustrated by the exhibition of the 

 instruments used, and by several drawings. 



December 10, 1832. 



By Will. Whewell, M.A. (Trin.) : On the architecture of Normandy (continued). 



After the meeting Mr Sims gave an account of the various methods of engine- 

 dividing, and of original dividing practised with regard to graduated 

 instruments ; and explained particularly the method of original divid- 

 ing invented by Mr Troughton, and recently applied by Mr Sims to the 

 division of the mural circle of the Observatory. This explanation was 

 illustrated by models and apparatus. 



February 25, 1833. 



By Will. Whewell, M.A. (Trin.) : On the architecture of Normandy (continued) 

 After the meeting Professor Airy gave an account, illustrated by models and 



diagrams, of his researches concerning the mass of Jupiter by means of 



observations of the Fourth Satellite. 



March 11, 1833. 



By the Marchese Spineto : An examination of the grounds of Sir Isaac 

 Newton's system of chronology. 



After the meeting Professor Sedgwick gave an account, illustrated by repre- 

 sentations of sections, of the Geology of North Wales. 



March 25, 1833. 



By Jos. Power, M.A. (Trin. Hall) : On the effect of wind on the barometer. 



By Professor Clark : On an unusual situation of the origin of the internal 

 mammary artery, with a drawing and explanation. 



After the meeting Professor Henslow gave an account, illustrated by dia- 

 grams, of a method of classifying and designating colours, particularly 

 with reference to their use in natural-historical descriptions. 



