386 
GENERAL SIR EDWARD SABINE ON TERRESTRIAL MAGNETISM. 
ZONE III.— LATITUDE 50° TO 55° N. 
To this Zone belong the Stations (151 in number) comprised between the Latitudes of 50° N. and 55° N., 
printed in the Philosophical Transactions for 1870, Art. XIV. It has not been deemed necessary to reprint 
those stations here, as they admit of easy reference being made to them. 
Authorities. 
Ross Philosophical Transactions, 1842, Art. II. 
Perry Philosophical Transactions, 1870; and Proceedings of Royal Society, 1871. 
Mahmoud Mem. de PA cad. R. de Belgique, 1856. 
Blosseville MSS. in Magnetic Office, received from Capt. Blosseville. 
Lamont Mag. Unters. in N. Deutschland, &c. (Miinchen, 1859). 
Forbes Transactions of the Royal Society of Edinburgh, vols. xiv. and xv. 
Quetelet Mem. de l’Acad. Royale de Bruxelles, vol. vi. 
Fox Philosophical Transactions, 1840, Art. IV. ; and Cornwall Polytechnic Soc. Reports, 1859. 
Hansteen, Wian b el, 1 j^ esu p-_ Mag. &c. Beob. (Christiania, 1863). 
Keilhau, and Due J 
Kiimtz, L. F. von. . . .Mem. by Rikatcheff ; Repert. fiir Meteor. Band I. Heft 2 (Petersburg, 1870). 
Kreil Mag. und Geog. Bestim. im Siidost Europa (Wien, 1862). 
D’ Arrest MSS. in Magnetic Office, communicated by Professor L. S. Kiimtz. 
Kiimtz, L. S MSS. in Magnetic Office, received from the Author. 
Erman Reise um die Erde (Berlin, 1841). 
Humboldt Asie Centrale, vol. iii. 
Sawalief Bull. Phys. et Mathem. de l’Acad. Imp. de Russie, vol. x. 
Wild Repert. fiir Meteor. Band I. Heft 2 (Petersburg, 1870). 
Federow MSS. iu Magnetic Office, received from M. Struve. 
Fuss, G. von Mem. de l’Acad. Imp. de St. Petersburg, 1838; Mag. und Geog. Bestim. in Sibirien. 
Fritsche Repert. fiir Meteor. Band I. Heft 2, 1870. 
Kosmin, Etoline .... Kiimtz ; MSS. in Magnetic Office. 
Liitke Mem. de l’Acad. Iuqp. de Russie (Lenz, 1834). 
Beechey, 1 /g ea observations.) MSS. in Magnetic Office, received from the Hydrographic Office. 
Collinson, Crane J 
Moore (Sea Observations.) MSS. in Magnetic Office, received from Admiral T. E. L. Moore. 
Richards, Pender .... MSS. in Magnetic Office, received from the Hydrographic Office. 
Douglas (David) .... Report on the Earth’s Magnetic Force, British Association Reports, 1838. 
Lefroy Philosophical Transactions, 1846, Art. XVII. 
Franklin Journeys to the Polar Sea, 1819-1827. 
Back Mem. by Christie, Philosophical Transactions, 1836, Art. XIX. 
.... f Discoveries on the North Coast of America (London, 1843); and MSS. in the Magnetic 
onnpson < 
L Office, received from the Author. 
Palliser MSS. in the Royal Geographical Society. 
Bayfield MSS. in Magnetic Office, received from the British Hydrographic Office. 
M e Clintock MSS. in Magnetic Office, received from Sir Leopold M c Clintock. 
Stanton MSS. in Magnetic Office, received from the Hydrographic Office. 
