19 



June " On the relative qualities of Iron made by the 



use of the Hot aud Cold Air Blasts in the Smelting Furnace," 



by Henry Hartop, Esq " On the molecular change in the 



constitution of wrought iron, from the effects of vibration 

 and concussion," by Richard Solly, Esq., Sheffield. 



The Council report with much regret Mr. Wilson's resigna- 

 tion of the offices of Secretary and Treasurer, which he has 

 most efficiently filled since the formation of the Society. To 

 his zealous and indefatigable exertions, a great degree of the 

 success which has attended its operations is attributable ; and 

 they can scarcely indulge in the hope, that the Society will 

 be able to find a successor able and willing to devote the 

 time and attention which he has so cheerfully given to its 

 service. 



The establishment of a Museum of geological specimens, 

 and more particularly of those peculiar to this district, has 

 always been considered of primary importance ; and in order 

 that the numerous specimens already contributed may be 

 systematically arranged, the Council have engaged a resident 

 curator for a temporary period, with a view of permanently 

 continuing the appointment, if experience should render this 

 course advisable. The Council request the continued co- 

 operation of all those members who are enabled to afford 

 assistance by the presentation of fossils, in the hope that 

 some light may be thrown upon many disputed geological 

 points, by a thorough acquaintance with the organic remains 

 occurring in this coalfield. 



Liberal contributions of local fossils are also valuable from 

 their affording the means of eff'ecting advantageous exchanges 

 with other societies and individuals, by whom many offers of 

 this nature have been made. 



The Council have reason to believe that the Reports of 

 the proceedings of the meetings are held in increased esti- 

 mation ; and they confidently hope that the continued and 



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