ADDENDUM. 
Besides those Institutions and Individuals entitled to receive the Edinburgh Transactions, the 
following have had the Makerstoun Observations forwarded to them : — 
ENGLAND. 
Tlie Royal Observatory, Greenwich. 
The Cambridge Observatory. 
The Oxford Observatory. 
The Durham Observatory. 
The Royal Artillery Library, Woohuich. 
The Trigonometrical Survey Office, London. 
Colonel Sabine, Woolwich. 
Captain Riddell. 
Very Rev. Dr Peacock, Eh/. 
Rev. Dr Whewell, Cambridge. 
S. H. Christie, Esq., Woolwich. 
W. S. Harris, Esq., Plymouth. 
SCOTLAND. 
The Royal Observatory, Edinburgh. 
The Glasgow Observatory. 
IRELAND. 
The Dublin Observatory. 
The Armagh Observatory. 
Rev. Dr Lloyd, Dublin. 
The Earl of Rosse, Parsonstown. 
E. J. Cooper, Esq., Markree. 
COLONIES, ETC. 
St Helena, Magnetic Observatory. 
Cape of Good Hope, Observatory. 
Cape of Good Hope, Magnetic Observatory. 
Madras, Observatory. 
Bombay, Magnetic Observatory. 
Trevandrum, Magnetic Observatory. 
Paramatta, N. S. W., Observatory. 
Toronto, Canada, Magnetic Observatory. 
CONTINENT OF EUROPE. 
Berlin, M. Dove. 
Berlin, M. Erman. 
Bonn, Observatory. 
Breslau, Observatory. 
Cadiz, Observatory. 
Dorpat, M. Kanitz. 
Geneva, Observatory. 
Helsingfors, Magnetic Observatory. 
Kasan, Observatory. 
Lausanne, M. Wartmann. 
Milan, Observatory. 
Naples, Observatory. 
Paris, Observatory. 
Prague, Observatory. 
Pulkowa, Observatory. 
Rome, Observatory CoUegio Romano. 
Senftenberg (Bohemia), Observatory. 
St Petersburg, Corps des Mines. 
Vienna, Obsei'vatory. 
UNITED STATES. 
Boston, Harford Magnetic Observatory. 
Philadelphia, Girard College Magnetic Observator 
Washington, Observatory. 
