Proceedings of the Royal Society of Edinburgh. 359 



much wholesome food. It becomes a question of great national import- 

 ance, whether these, and other obvious improvements in our fisherieg, 

 might be most eflfectually promoted, by pubhc statutes, or by Boards fur- 

 nished with suitable powers." Pp. 221, 222. >. 



Art. XXI.— proceedings OF SOCIETIES- 



1. Royal Society of Edinburgh. 



December 17th. — Conclusion of a Chemical Examination of the Oxides 

 of Manganese. By Dr E. Turner. 



" A Notice on the formation of Alcoates, definite compounds of Alcohol 

 and Salts, analogous to the Hydrates. By T. Graham, M. A. 



Jan. 7, 1828. — Francis Walker Drummond, Esq. and Sir W. G. Gordon 

 Cumming, Bart, were elected Ordinary Members. 



The Vice-President announced to the meeting that the Council had ad- 

 judged the biennial Keith prize to Dr Brewster, for his communica- 

 tions regarding his discovery of two new immiscible fluids in the cavities 

 of certain minerals. 



The following papers were read : — 



1. Account of a remarkable peculiarity in the Structure of Gflauberite, 

 By Dr Brewster. 



2. On the Chloro-ferro-cyanic Acid and its Compounds. By J. John- 

 stone, A. M. 



3. An Account of the Tracks and Foot-marks found impressed on Sand- 

 stone in a Quarry in Dumfries-shire. By the Rev. Dr Duncan. See this 

 Number, p. 305. 



Specimens were exhibited. 



4. Demonstrations of propositions published by Dr M. Stewart in 1746, 

 at the end of his general theorems. By A. Gallowat. 



5. A letter from the Right Honourable the Countess of Morton, to Sir 

 Walter Scott, accompanying a donation of models and plans, &c. connected 

 with the erection of the Eddystone Light House, and which had belonged 

 to the late Mr Smeaton, Civil Engineer. 



6. Experimental inquiries concerning the Laws of Magnetic Forces. By 

 W. S. Harris, Esq. of Plymouth. 



January 21 — 1. Determination of the Longitude of the Observatory of 

 Edinburgh, from observations of the moon and moon-culminating stars. 

 By Professor Wallace. 



2. On the Earliest Maritime Regulations of Modern Europe. By John 

 Reddie., LL. D. 



February 4. — Erskine D- Sandford, Esq. Dr D. Maclagan, James Craw- 

 ford Gregory, M. D-, Sir Alexander Keith, Knight Marischal, and John 

 Frost, Esq. were elected Ordinary Members. 



1. A Notice regarding a Mass of Metallic Iron (supposed to be meteor- 

 ic) firom South America. By T. Allan, Esq. 



2. On the Natural History and properties of Tabasheer, the siliceous con- 

 cretion found in the joints of the Bamboo* By Dr Brewster. 



February 18.— -1. Notice regarding a compendious and easy method of 



