Cambridge Meeting of the British Association. 155 



and became the subject of an animated discussion, in which Dr. Buck- 

 land, Professor Whewell, Dr. Boase, Mr. John Phillips, and Mr. Fox, 

 severally to >k part. The learned Chairman summed up, and the Meet- 

 ing adjourned. 



June 26. — At the Sectional Meetings the following communications 

 were read : — 



Mr. Potter on the Action of Glass of Antimony on Light. 



Account of a Barometer Cistern. By Mr. Newman. Communi- 

 cated by Mr. Willis. 



Account of a New Reflecting Telescope. By Thomas Davison. 

 Communicated by Mr. Turner. 



Professor Oersted on the Compressibility of Water. 



A communication on the Specific Gravity of Gases. By Dr. Dalton 

 and Dr. Prout. 



An Account of the Experiments relative to the Sulphur Salts. 



Dr. Turner gave an account of his Experiments on Atomic Weights. 



Dr. Daubeny read a Memoir on the Action of Light on Plants, and 

 on the Action of Plants on the Atmosphere. 



Mr. Trevelyan exhibited Specimens of Coprolites and Fossil Fish. 



Mr. Murchison exhibited the Ordnance Maps, geologically coloured 

 by himself, of the counties of Salop, Hereford, Radnor, Brecon, and 

 Carmarthen, accompanied by enlarged sections j and explained the 

 mineral structure of the country described. 



A paper containing some Observations on Genera and Sub-Genera. 

 By Mr. Jenyns. 



On the Water contained in Bivalve Shells. By Mr. Gray. 



Observations on the Classification of Ruminating Animals. By 

 Mr. Ogilby. 



Notice of a Memoir on the Natural Laws which appear to regulate 

 the Distribution of the powers of producing Heat and Light among 

 the different groups of the Animal Kingdom. By Mr. Brayley. 



Observation on the Motion and Sounds of the Heart. 



Observations, by Mr. H. Earle, on the Mechanical Functions of the 

 Bulb or* the Urethra. 



Illustrations of the Effects of Irritant Poisons on Mucous Surfaces. 



At the General Meeting, the President having taken the chair, the 

 different Chairmen of the Sections read the Reports of their proceed- 

 ings j after which, Mr. Peacock read a paper on the recent progress 

 of the Integral and Differential Calculus ; Professor Lindley his Re- 

 port on the principal questions debated in the Philosophy of Botany; 

 and Mr. Rennie a paper on Hydraulics, considered as a branch of 

 Engineering. 



June 27.— At the General Meeting, the President in the chair, it 

 was moved by Dr. Buckland, and seconded by Mr. John Taylor, 

 "That the gentlemen whose names were enrolled by the Committee 

 yesterday be elected Members of the Association." 



Mr. John Taylor having been called upon by the President, gave a 

 statement of the finances and numerical strength of the Association; 

 of which the following is an abstract: — 



X2 



