410 Proceedings of the Society of Arts. 



*' Signed in our name, and by our appointment, by the President, 

 Vice-Presidents, Secretar}', and Treasurer, — at Edinburgh, in 

 the year of our Lord, 1837, on the 6th day of December. 

 (Signed) " John Graham Dalyell, President. 



" David Boswell Keid, Vice-President. 

 " M. Ponton, Vice-President. 

 '' James Tod, Secretary. 

 (L.S.) " Gilbert Marjoribanks, Treasurer." 



The following communications were laid before the Society : 



1. Mr Ponton's Electric Telegraph, in an improved form, was exhibited 

 in action, and a brief explanation of its principles was read, after which 

 Mr Ponton presented his Model to the Society, to be placed in their 

 IMuseum. (492.)— Thanks. 



2. On the Adulteration of Fixed Oils. By William Davidson, M.D.^ 

 West Nile Street, Glasgow. Specimens were exhibited. (654.) 



8. On the Decolorization of Palm Oil. By the same. Specimens were 

 exhibited. (555.) 



4. On the Removal of the Fetid Odour of Fish Oils. By the same. 

 (556.) 



5. On the Removal of the Bitter Taste and Lichenous Odour of Iceland 

 Moss. By the same. (557.) 



These four papers by Mr Davidson were referred to a committee. 



6. Note on Ventilation ; being a sequel or appendix to a former paper 

 on that subject. By J. Stewart Hepburn, Esq. of Colquhalzie. (567.) 

 Thanks. 



7. Specimens of a Series of Fables, with Woodcut Illustrations, now 

 in progress of being printed for the Blind at the Glasgow Asylum. By 

 John Alston, Esq. of Rosemount, Hon. M.S.A. (568.) Referred to a 

 committee. 



8. Donation. — Researches on Heat. Third Series. 1st, On the un- 

 equally Polarizable Nature of the different kinds of Heat. 2d, On the 

 Depolarization of Heat. 3d, On the Refrangibility of Heat. By Jas. D. 

 Forbes, Esq. F.R.SS. L. and E., F.G.S., Professor of Natural Philosophy 

 in the University of Edinburgh, M.S.A. From the Transactions of the 

 Royal Society of Edinburgh. 1838. From the Author. (569.) Thanks. 



9. Donation. — Observations on the Employment, Education, and 

 Habits of the Blind ; with a comparative view of the benefits of the 

 Asylum and School Systems. By Mr Thomas Anderson, late Manager 

 of the Asylum for the Blind, Edinburgh, and Master of the Wilberforce 

 Memorial School for the Blind, York (now at Manchester). Printed in 

 1837. From the Author, per D. J. Macbraire, Esq. (566.) Thanks. 



10. Donation. — A method, by means of a Time-keeper, for finding- 

 Greenwich Time, and Latitude and Longitude, at any place by sea or 

 land. By Mr John Johnstone. Printed at London, 1838; with two 

 Lithographic Plates. {565.) Thanks. 



