394 
GENERAL SIR EDWARD SABINE ON TERRESTRIAL MAGNETISM. 
ZONE IT.— LATITUDE 55° TO 60° N. 
Authorities. 
To this Zone belong the Stations (89 in number) comprised between the latitudes of 55° and 60°, forming 
part of the Magnetic Survey of the British Islands, Phil. Trans. 1870, Art. XIY. It has not been deemed 
necessary to reprint these Stations in this communication as they may be so easily referred to. 
Hansteen, Due, and 1 ^ 
^ L Result. Mag. Beob. (Christiania, 1863). 
Danish Officers . . J 
Lamont Mag. Unters. in N. Deutschland, &c. (Miinchen, 1859). 
Rudberg Pogg. Ann. xxvii. 5, 8. 
Kosmin, Erichsen, ] . . 
T v MSS. in Mag. Office, received from Professor L. S. Ram 
L. S. Jvamtz . . . . J 
Humboldt Asie Centrale, vol. iii. 
Eederow Received from M. Struve. 
Erman Reise inn die Erde (Berlin, 1841). 
Ivupffer, Eritsche, ■> 
Wild, Rikats- l Repert. fiir Meteor. Band I. Heft 2 (Petersburg, 1870). 
cheff, Simonoff. . J 
Belavenetz Proceedings of the Royal Society, No. 127. 
Sawalief Mem. de l’Acad. Imp. de St. Petersburg, tom. x. 
Euss, G. von Mem. de l’Academie Imp. de St. Petersburg, tom. iii. 
Liitlce Mem. de l’Acad. Imp. de Russie (Lenz), 1834. 
Kellett, Collinson, ] , „„„ . , . ^ 
l MSS. m the British Hydrographic Office. 
Moore MSS. in Magnetic Office, received from Admiral T. E. L. Moore. 
Belcher Sabine in Philosophical Transactions, 1841, Art. II. 
Lefroy Contributions to Terrestrial Magnetism, No. VII., Phil. Trans. 1846, Art. XVII. 
Eranklin, Back . . . .Philosophical Transactions, 1836, Art. XIX.— Journeys to the Polar Sea, 1819, 1827. 
Simpson Discoveries on the Coast of America (London, 1843). 
Blakiston Proceedings of the Royal Society, January 7th, 1858. 
Officers of the i 
United States l Annual Volumes of the United States Coast Survey. 
Coast Survey . . J 
Ross MSS. in Magnetic Office, communicated by Admiral Sir J. C. Ross. 
Parry and Sabine. . . . Philosophical Transactions, 1819, Art. X. 
