138 
MAJOR SABINE ON TERRESTRIAL MAGNETISM. 
References. 
(a) Magnetical observations by Lieut.-Colonel James Bucknall Estcourt, 43rd 
Light Infantry: MSS. in the possession of Robert Were Fox, Esq. 
(b) Magnetical observations by Captain Sir Everard Home, Bart., R.N., reduced by 
the Rev. George Fisher, F.R.S. ; Philosophical Transactions, 1838, Part II. Art. XVI. 
(c) Magnetical observations in the United States. Communicated in the Pro- 
ceedings of the American Philosophical Society, vol. i. No. 9. N 
(d) Observations of the Magnetic Dip by Messrs. Locke and Patterson, commu- 
nicated by Professor Elias Loomis in Silliman’s Journal, July 1838, Art. 3. 
(e) Magnetical observations by Commander Edward Barnett, R.N. ; MSS. in the 
Hydrographic Office ; Appendix C. 
(f) Magnetical observations by Captain Zahrtmann, of the Royal Danish Navy, re- 
ported in Dove’s Repertorium, B d II. page 191. 
(g) Magnetical observations by Captain Edward Belcher, R.N. ; MSS. in the 
Hydrographic Office ; Appendix D. 
(h) Magnetical observations made during the voyages of H.M. ships Adventure and 
Beagle, discussed by Major Sabine, R.A., in the Appendix to King and FitzRoy’s 
account. The observations employed on the present occasion are those made by the 
officers of the Beagle from the winter of 1833-1834 to the end of the voyage. 
(i) Lieut. Sulivan’s observations, Appendix A. 
(k) Magnetical observations by Commander John Wickham, R.N. ; MSS. in the 
Hydrographic Office ; Appendix E. 
(l) Magnetical observations by Captain Frederick Beechey, R.N. ; MSS. in the 
Hydrographic Office ; Appendix F. 
(m) Magnetic Survey of the British Islands, 1837; Reports of the British Asso- 
ciation, 1838. 
(n) Magnetical observations by Robert Were Fox, Esq., in manuscript ; Ap- 
pendix L. 
(o) Mem. de l’Acad. Royale des Sciences de Bruxelles, tome xii. 
(p) Astron. Jahrbuch, 1839. 
(q) Gauss and Weber, Resultate, &c., 1838, p. 98. 
(r) Bulletin de l’Acad. Royale des Sciences de Bruxelles, tome 6 me , l ere partie, p. 473. 
(r # ) Annuaire, 1836. 
(s) Communicated in manuscript in a letter from M. D’Abbadie to Captain Beau- 
fort, R.N. 
(t) Gauss, Allgemeine Theorie, &c., page 42. 
(u) Magnetical observations by William Ainsworth, Esq. ; Journal of the Royal 
Geographical Society, vol. viii. Art. XXVI. 
(w) Magnetical observations by Captain Charles Drinkwater Bethune, R.N. ; 
MSS. in the Hydrographic Office; Appendix G. 
(x) Magnetical observations by Commander William Allen, R.N. ; MSS. in the 
Hydrographic Office ; Appendix H. 
