402 



ance for the ferruginous and earthy matter with which the carbon in 

 this mineral is mixed. 



In conclusion, he offers the conjecture, that the coloured tints of 

 vapour and fluids in which carbon is suspended, may be connected 

 with the translucency of this substance, and that other bodies, hither- 

 to considei'ed opaque, may be found capable of transmitting light, 

 when examined in a manner similar to that which he has employed. 



The following Donations of Books to the Society's Library 

 were announced. 



Maps of the Ordnance Survey of England and Wales. Nos. 80, 



81, and 90. — By the Master- General of the Ordnance, 

 Maps of the Irish Ordnance Survey, containing the County of Clare. 



77 sheets. — J5y His Excellency the Lord-Lieutenant. 

 Report made at the Annual Visitation of the Armagh Observatory. 



By the Rev. T. R. Robinson, D.D. — Bt/ the Governors of the 



Observatory. 

 Proceedings of the American Philosophical Society. Vol. II. 



No. 23. — By the Society. 

 Journal of the Asiatic Society of Bengal. Nos. 122 and 123. — 



By the Society. 



Donations to Museum — 



Specimens of Fossil Organic Remains from East Kilbride and 

 neighbourhood, Lanarkshire. Collected by the late Rev. David 

 Ure, A.M. ; and a number of them figured in his " History 

 of Rutherglen and East Kilbride." — Presented by John Stark, 

 Esq. 



Tail of a Wild Elephant from Ceylon. — Presented by Rob. Bryson, 

 Esq. 



Specimens of Fossil Fishes from Syria. — Presented by Dr John 

 Davy. 



Monday, 23rf January. 



The Very Reverend Principal LEE, Vice-President, 

 in the Chair. 



The following communications were read: — 



1. Chemical Observations on the Flowers of the Camellia 

 Japonica, Magnolia grandiflora, and Chrysanthemum 



