370 
GENERAL SIR EDWARD SABINE ON TERRESTRIAL MAGNETISM. 
ZONE II.— LATITUDE 45° TO 50° N. 
1 
Perry 
Authorities. 
Gaimard Voyages en Scandinavie &c., vols. ii. and iii. 1838 to 1840. 
I , n)inii( . j Erdmagnetismus S.W. Europa’s (Munchen, 1858) ; Magnetic Survey of Bavaria, Munich, 
1854; Sonnen-Pinsterniss in 1860 (Munchen, 1862). 
Magnetic Survey of the West of Prance, Philosophical Transactions, 1870; and of the 
East of France, Royal Society Proceedings, 1871. 
Sabine Philosophical Transactions, 1828, Art. I. 
Arago 
Blosseville 
Duperrey 
Lottin }- Contributions to Terrestrial Magnetism, 1840, Art. IV. 
D'Abbadie | 
Darondeau | 
Pox ) 
Bache Magnetic Observations at Stations in Europe, Amer. Ph. Soc. Trans. 1840. 
Quetelet Mem. de l’Acad. Roy. de Bruxelles, vol. vi. 
-p nv j Contributions to Terrestrial Magnetism, No. I. Philosophical Transactions, 1840, Art. IP. ; 
1 and Cornwall Polytechnic Society’s Reports, 1859. 
Forbes Transactions of the Royal Society of Edinburgh, vol. xiv. 
Ivamtz, L. P. von. . . . Repert. fur Meteor. Band I. Heft 2 (Petersburg, 1870). 
Ivreil Magnetische &c. in S.E. Europa’s &c. (Wien, 1862). 
Novaia (Austrian 1 jp e - ge um c p e p] rc l e (Wien, 1862-5). 
Frigate) J 
Russian Officers . . . .MSS. in Magnetic Office, communicated by Professor L. S. Ivamtz. 
Dirkoff MSS. in the British Hydrographic Office. 
Gauttier MSS. in Magnetic Office, communicated by Professor L. S. Ivamtz. 
Hansteen and Due . .Magnetische Beob. in Ost-Sibirien (Christiania, 1863). 
Sawalief Bull. Phys. et Mathem. de l’Acad. Imp. de Russie, vol. x. 
Wild Repert. fur Meteor. Band I. Heft 2 (St. Petersburg, 1870). 
Humboldt Asie Centrale, vol. iii. 
Ivatinsk Survey of the Caspian Sea, 1870 (in Russian). 
Federow MSS. in Magnetic Office, communicated by M. Struve. 
Puss Mem. de l’Academie de St. Petersburg, 1838. 
Fritsche Repert. fur Meteor. Band I. Heft 2 (Petersburg, 1870). 
Liitke Mem. by Lenz in the Sc. Mem. Acad, de St. Petersb. 1838. 
Erman (Sea Obser I p> e - ge um f p e p; rc ] e (Berlin, 1831). 
vations) J 
Kellett, Collinson, 
Crane, G. II. Rich- L (Sea Observations.) MSS. communicated by the British Hydrographic Office, 
ards and Pender . J 
Haig Philosophical Transactions, 1862. 
Lefroy American Survey, Philosophical Transactions, 1846, Art. XVII. 
Palliser Boundary Survey. MSS. in Magnetic Office. 
Moore (Sea Observations.) MSS. in Magnetic Office, received from Admiral T. E. L. Moore. 
U. S. Coast Smrvey . .Annual Reports, 1856 to 1863. 
Bayfield MSS. in Magnetic Office, communicated by the Hydrographer. 
Locke Sabine in Philosophical Transactions, 1846, Art. XVII. 
r American Philosophical Society Transactions ; and Contributions to Terrestrial Magnetism, 
Loomis ^ Philosophical Transactions, 1846. 
Rae Philosophical Transactions, 1846, Art. XVII. 
Boundary Survey. . . .Philosophical Transactions, 1849, Art. XII. 
Graham Contributions to Terrestrial Magnetism, Philosophical Transactions, 1846. 
Keely Philosophical Transactions, 1848, Art. XIV. 
Shadwell MSS. in Magnetic Office, received from the Hydrographer. 
Beraid 1 MSS. in Magnetic Office, received from Admiral Duperrey. 
Jehenne J 
Du Petit Thouars . . . .Philosophical Transactions, 1849, Art. XII. 
