318 Proceedings of the Royal Society ofEdinhurgh. 



2. On Dyspnoea, and other Sensations experienced on the 



summit of Mont Blanc. By Martin Barry, M. D, 

 Communicated by Dr Alison. 



3. Mr Smith of Jordanhill made a verbal communication 



regarding a change in the Relative Levels of the land 

 and sea on the west coast of Scotland ; recent shells 

 having been found even at the height of 70 feet. 



4. Professor Forbes communicated a memorandum respect- 



ing the Polarization of Heat. 



April. 4. — Dr Hope, Vice-President, in the Chair. The 

 following communications were read : 



1. On Paracyanogen and its Compounds. By James F. W. 



Johnston, Esq. 

 % On the newly discovered microscopic Entozoon infesting 

 the Muscles of the Human Body. By Dr Knox. 



April 11. — Dr Abercrombie, Vice-President, in the Chair. 

 The following communications were read : 



1. On the Origin of the Adjective. By Professor Pillans. 



5. On Single and Correct Vision by means of Double and 



Inverted Images on the Retinae. By Dr Alison. 



April 18.— Sir T. M. Brisbane, Bart. President, in the 

 Chair. The following communications were read : 



1. Observations on the Chemical Nomenclature of Inorganic 

 Compounds. By Dr Hope. 



% Account of a Visit to the Governor of the Chinese Fron- 

 tier Town of Mai-ma-tchin, bordering with Kiachta, in 

 Siberia. By a General Officer in the Russian Service. 

 Communicated by Mr Robison, Sec. R. S. Edin. 



May 2. — Sir T. M. Brisbane, Bart. President, in the 

 Chair. The following papers were read ; 



1. An Attempt to ascertain the Relative Positions of the 



Athenian and Syracusan Lines before Syracuse, from 

 the Description of Thucydides. By Professor Dunbar. 



2. Researches on Heat. Second Series. By Professor Forbes. 



3. Dr Knox exhibited some specimens to prove that the teeth 



of the Cachalot are devoid of enamel. 



