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Proceedings of the Royal Society, 



1838, January 15. — Sir T. M. Brisbane, Bart., President, 

 in the Chair. The following Communications were read : — 



1. Notice regarding the Composition of Dr James's Fever 



Powder. By Dr Douglas Maclagan, F. II. C. S. E. 



2. Observations on the Cysticercus Celluloste inhabiting the 



Human Muscles. By Dr Knox. 



3. Examination of certain Objections to the Theory of Iso- 



morphism. By Henry Madden, Esq. 



February 5. — Sir George Mackenzie, Bart., in the Chair. 

 The following Communications were read. 



1. Observations on the Parr and Young of the Salmon. 



By Dr Parnell. 



2. Notice of the remarkable Mathematical Properties of a 



certain Parallelogram. By John Scott Russell, M. A., 

 F.R.S.E. 



February 19. — Dr Hope, V. P., in the Chair. The following 

 Communications were read : 



1. On the Composition of a new Ink. By Professor Traill. 



2. Abstract of first part of Memoir on the Mid-Lothian and 



East Lothian Coal Districts. By David Milne, Esq. 



The author commenced his communication by stating, that he 

 should divide his memoir into two parts, the first being devoted to 

 a mere narrative of facts, the second to explanations of these facts. 



In describing the geological features of the district, he noticed 

 first the stratified and next the unstratified rocks. 



The STRATIFIED cousist of sandstone, shales, limestones, coal, 

 and clays; which rocks seemed severally to abound or prevail, in 

 the order now stated. 



These stratified rocks overspread the district from Portobello to 

 Gladsmuir, in an east and west direction ; and from the Firth of 

 Fortli to the Lammermoor Hills, in a north and south direction. 

 Within these limits there are two basins, — the basin of the Esks, 

 and the basin of the Tyne ; and which basins are divided by the 

 ridge or high ground that runs from Prestonpans (on the shore of 

 the Firth) by Tranent, Fjilside, Carberry, and the Roman Camp, 



The Esk basin contains between sixty and seventy coal-seams, 

 exceeding one foot in thickness. The Tyne basin contains not 



