A P P E N D IX .
Latitude. How Longitude.
NAMES OF PLACES. How
North. determined. From Meridian From determined. Remarks.
of Greenwich.
Sail Francisco.
Bolbones Mountain, 37° 52' 55" A 0° 29'26’b 121" 53' 4 4V A Height 3765 feet.
San Francisco, . . 37 48 30 © * Az. 0 04 IGw. 122 27 23 A The fort.
Notch Hill, . . . 37 30 58 A 0 00 00 122 23 10 A A small peak on the coast.
Montkuby, . . . 36 36 24 Az. trans. 0 31 21 121 51 46 © The fort.
Point Pinas, . . . 36 37 15 A =
Honoruru Fort, }
(Woahoo.') . . X 21 18 1 2 -| * 16 Az.
Transit. ( . . . 158 00 25 Culmin.
Woahoo.
Macao, ..................... 22 12 00 ^ 16 on s. ^ 88 ’31' 18w.
246 25 50
246 31 18
1/ sat.
©
At the factory.
Saluting battery.
Tijpn. 246 28 00 YV. end Kaikong.
Assumption Island, 19 40 53 A3== 31 55 18 E. 214 32 42 ©■II- The peak.
Mangs, . . . .
19 57 02 A 31 47 48
North Bashee. . .
8 29 00
214 40 12
238 01 04
A
0 -IIr
Peak on Centre Island,
< The Jlangs from east point,
lAssumption true N. 27° 0 7 i'W .
Vela Rete, . . . 7 19 32 239 08 28 © A Highest rock.
Formosa, . . . . 7 23 21 239 04 38 ©2 -II- S .E . tangent.
Pedra Branca, . . I 33 13 244 54 47 © -il- nly.
L n TI.E Botel Tobago, Y 21 5 7 30 0*'a ■ 8 08 30 238 19 30 0®AO® -liE.
entrance.
X ima, . . . . ?21 5 7 00 8 07 50 238 20 10 do. S. YV. extreme.
Gre.at 'Tobago, . 7 22 01 40 A 8 0 7 45 238 20 15 0 3 A -liS.
E . extreme.
Xima, . . . C 22 06 10 A 8 00 50 238 27 10 do. N. YV. extreme.
Samsanne Island, . 22 41 15 A rly . 8 00 30 238 2 7 30 A -ll- The centre.
Loo Choo, . . . . 26 12 25 14 10 20 232 1 7 40 0 on sh. Abbey Point station.
Ditto, . . . . 26 04 05 © A South extreme.
Ahhey Point. 232 1 7 40
S.andy Isl.and, . . 26 05 50 A 0 07 40w. 232 25 20 A The centre.
Kirrama Island, 26 09 00 A 0 25 30 232 43 10 A The high wedge-shaped island.
0= Port Lloyd, . . 2 7 05 35 * ^ s . 14 29 30e . 2 1 7 45 54 © No. 1 station, N. ex. harbour. — 2 1 7 48 29 © 0 Do.
■1 From No. I sta. 2 1 7 48 30
'2 1 N. YY'. Island of ?
Parry’s Group, \ 2 7 43 30 0 A = 0 03 49w. 217 52 19 A -II- The N. W . tangent.
< Kater Lsland, . 27 29 40 A 0 00 42 E-
1 7 08 35
217 47 48
105 15 15
A-II-
© on sh.
The north entrance.
At Arsenal.
San Blas, . . . -c 105 15 3t) 5 X sat.
105 16 07 2 do. By Mr. YVolfe.
San Bias. 105 14 43 Town 47" east of Arsenal.
San Juan Mount, . 21 27 00 A 0 18 IOe 104 56 33 A Southern pap.
Tonalisco Mount, . 21 46 48 A 0 29 48 104 44 55 A
Te 21 30 42 ©^ar.ho. Consulate.
Piedra de Mer, . . 21 34 45 A 0 13 30w. 105 28 13 0 A
Isabella I.slanü. 21 51 15 © A 0 3 7 20 105 52 03 0 A The peak.
Northern Island, 21 32 53 A = 1 13 20 106 28 03 0 A The south bluff.
i San Juanito, . ^ 21 45 00 A 1 23 50 106 38 35 © A F lat Island, N.YV. part.
2,. 21 44 05 A 1 24 3 7 106 .39 20 A High rock.
i
Pkincf, George, 21 28 12 A 1 09 58 106 24 41 A The northern peak.
.Southern Island, 21 19 22 A 0 5 7 20 106 12 03 0 A -11- The eastern peak.
M.VZATLAN................... 23 11 40 0 on sh. 1 0 7 41 106 22 24 © on sh. High bluff at extreme.
Corvetena, . . .
0 33 06
105 4 7 49
A
Cape Corrientes, .
0 24 30
105 39 13
A
f A small rock offCapc Corrientes.
J This cape, in one San Juan Mt.
f bears N. .32« 24' E ., true.
CoLiM.A Mountain, , 19 24 42 A 1 41 42e. 103 33 01 A 12,003 feet high.
Acapulco, . . . . 16 50 32 © on sh. 5 23 59 99 50 44 © on sh. Fort San Carlos,
COQOIMIIO, . . . . 29 56 57 s © + 7 1 16 41 culm, ff jThe copper foundery.
TABLE II.
T h e barometrical measurements in tb is T a b le have been computed by th e method given in th e
second edition o f Mr. F . Daniell’s Meteorological Essays. T h e heights ascertained a t sea are
by altitudes with sextants, p a te n t log bases, an d astronomical bearings.
Rio de Janeiro,
Conception,
Pitcairn Island,
Gambier Island,
Miatea,
Beering’s Straits,
Kotzebue Sound,
Society Islands,
San Francisco,
Island of Assumption,
Ladrones,
Eotcl Tobago Xima,
Loo-Choo,
Petropaulski,
Cape Lisburn,
Kotzebue Sound,
Port Clarence,
San Bias,
Colima Mount,
Corcovado,
do. , ' .
do.
do.
Sugar-loaf,
do.
N. Pap Bio Bio,
Observatory,
Peak on it,
Highest peak of M o u n t)
Duff, . . 5
Ship Rock, .
Peak on do. .
Cape Lisburn,
Chamisso Island,
Pointed hill north of Í
Spafarief Bay, )
Peakwithaholethrough >
it on Eimeo, , ^
Angel Island,
Deviation (Bolbones),
Yerba Buena Island,
Hill at Yerba Buena Cove,
Summit of the Cone,
Peak at west angle,
Peak at N. E . angle.
Onnodake Mount,
Abbey Point,
Knmi Head,
Highest point of Sheudi,
Villeucliinski (Sugar
Loaf),
Avatcha Yvatcha '(
mountain N. |
by E . of the town).
do.
Flint Station,
Hill N. of Spafarief Bay
Chamisso Island,
High Snouy Mountain,
No. 4, three miles west }
of Point Jackson, ^
Commandant’s House,
San Juan Paps, . <
2308
22!)ö
2306
2306
1285
1299
789.6 78
1046.5
1247.9
441.1
1432.3
849
231
616
4.041
900-7
3783
513.8
467.2
2096
1817
1840
1867
1843
1850
1089
98 4
99.8
540.4
7374
11,491
11.612
11.496
849 3
616
231
2596
1876
141
6216
6230
12.003
How obtained.
By barometrical measurement in 1825*.
By barometrical measurement in 1828+.
By trigonometrical calculation in 1825.
By ditto ditto in 1828.
By trigonometrical measurement, 1825.
By trigonometrical measurement, 18281.
By trigonoD
Dip of tlie s
By trigonometrical operation a t sea.
By ditto ditto on shore.
Ditto.
Ditto ditto a t sea.
Dip of the sea.
Ditto.
Ditto.
Trigonometrical operation on shore.
Barometrical measurement.
Trigonometrically.
Ditto.
Ditto.
Ditto at sea.
Base at sea.
■ By different bases at sea.
Mean.
Trigonomctricallj'.
Dip of the horizon.
Ditto.
Trigonometrically.
By trigonometrical operation on shore.
[ By trigonometrical operation on shore.
By observed dip of the horizon.
Ditto.
Ditto.
By trigonometrical operation on shore.
Ditto.
By dip of the horizon.
By trigonometrical operation on shore.
By trigonometrical operation a t sea.
• YVith a barometer of M r. Newman’s make, rainy day.
■f" YVith a barometer of Mr. Jones’s make, fine sunny day.
i No defined object on this inaccessible mountain.