C. A, Schott on Magnetic Declination. 345 
Havana, Cuba. 
See C. S, report, 1855, oye 
1857, Jan, D= 5°15’ : Kast Friesach, Imp. Acad. of Sciences, 
Vienna, vol. xxix, 1858. 
Jamaica, W. Indies. 
1732, D= 6° to 6° 05’ E. J. Harris at Black sate in March and 
. Phil. Trans., 
1789-98, To Leard, mee of Port Royal 
1791-92, 6 45 * 
1819, 4 50 * DeMackan, Boxguert s traité du acing! 
| isme, Paris ats 
1821, 4°50 “ DeMayne " 
1822, 4 54 * Ow “ “ 
1832, : ae, Poster, “ “ 
18831 4 40 “ From a map. 
(8408 400 “ Gen. petals isogonic map of the Atlantic 
__ 1807, March, 3 40 « was Friese ap Acad. of Sciences, Vi- 
| na, vol. xxix, 1858, 
Panama, New Granada. 
M6, s Nor, D> 7° 49", Eneycl. Brit. 
179 
we <enke of 
Seng 7 00 “ Hall, Becquerel’s traité du magnetisme. 
aly 7 02 « Sir E, Belcher. 
“i 65:% For aad Emory (Mexican Bound. Survey). 
Bee also ©, 8. feisc, 1856, p. 2 
Vera Cruz, Mexico, 
1726-27, ‘D= 2°15'E, J. Harris, Phil. Trans. R. S. anno 1728. 
M69, 6 
40“ Ene c. Brits 7th edition, 1842. 
be March, 6 28 ¢ : 
ne 7 30“ . Don Ulloa, Encye. Brit. 
] “¢ 10 37“. Malony. 
uo, April 16:8 << Wie 
Sih tin per ca. 
D=26° 45! E. Lissiansky 4 da mees 
Pe 4 sep = tral mag 
- 27 30 * ne ue, ms 
1858 28.19% Erm ; 
x 30 00 “ Frcs ‘Trias? map i isogonic lines for 1858. 
Washington, D, ¢ 
_ SECOND ‘asa Vou. XXIX, No, 87.—MAY, 1860 
