418 Proceedings (rfthe Society of Arts for Scotland. 



of it. Ill about half an hour they both began to stagger and tot- 

 ter in their walk ; and in a few minutes more the tragedy was 

 ended by their falling flat on the ground and expiring appa- 

 rently in dreadful agonies. — Narrative of an Expedition into 

 the Interior of Africa. 



6. Obesity in Aftica. — It was a subject of remark among us, 

 and occasioned some amusement to see the different effects of 

 heat on different constitutions. Sometimes, with the thermo- 

 meter at 84°, I felt cold in a blanket dress, and at other times, 

 at 75", I was oppressed with heat ; it appeared, however, to de- 

 pend much on the moist or dry state of the atmosphere. I found 

 that a very simple rule had hitherto kept me in excellent health ; 

 if I felt sleepy after a meal, I considered it a gentle hint from 

 my stomach that I was over-working it, and reduced my fare 

 accordingly. In fact, I thought the less one consumed the bet- 

 ter, as all our party appeared to have a most unaccountable pro- 

 pensity to become fat. I did not eat one-half that I had been 

 accustomed to do in England, and yet could not keep myself 

 from increasing. Dr Briggs was precisely in the same way ; 

 and as for Lander, he was as broad as he was long ! — Ibid. 



Proceedings of the Society of Arts for Scotland. 



List of Prizes for Session 1 837-38. — The Society for the 

 Encouragement of the Useful Arts in Scotland, announce the 

 following Prizes for the Session 1837-38: — 



1. For the most important Invention, Discovery, or Improve- 



ment in the useful Arts ; — T/ie Keith Medal, value Twenty 

 Sovereigns. 



2. For the best series of Experiments applicable to the Useful 



Arts; — The Socif.ty's Silver Medal, value Ten Sovereigns. 



3. For the most important Communication of any useful Inven- 



tion, Process, or Practice, from Foreign Countries, not yet 

 known or adopted in Britain; — The Silver Medal, value 

 Fivs Sovereigns. 



4. For a convenient mode of filling the Boilers of Steam Ves- 



sels with water, while the Vessel is at rest, so as to remove 

 a frequent cause of explosion ; — The Silver Medal, value 

 Ten Sovereigns. 



