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- Himalayan Journals (Complete) - 150/157 -


------------------------------------------------------------------ a.m. 10.02 to 10.09 60.6 3.9 .878 116.0 Low, dense fog at 10.20 to 10.24 61.4 4.2 .872 sunrise, clear at p.m. 0.03 to 0.10 59.3 9.7 .728 119.0 9 a.m. 0.22 to 0.25 57.5 3.2 .650 Hills hazy and 2.04 to 2.08 61.0 10.2 .718 112.0 horizon grey. 2.10 to 2.14 ------------------------------------------------------------------

APPENDIX L.

TABLE OF ELEVATIONS.

In the following tables I have given the elevations of 300 places, chiefly computed from barometric data. For the computations such observations alone were selected as were comparable with contemporaneous ones taken at the Calcutta Observatory, or as could, by interpolation, be reduced to these, with considerable accuracy: the Calcutta temperatures have been assumed as those of the level of the sea, and eighteen feet have been added for the height of the Calcutta Observatory above the sea. I have introduced two standards of comparison where attainable; namely, 1. A few trigonometrical data, chiefly of positions around Dorjiling, measured by Lieutenant-Colonel Waugh, the Surveyor-General, also a few measured by Mr. Muller and myself, in which we can put full confidence: and, 2. A number of elevations in Sikkim and East Nepal, computed by simultaneous barometer observations, taken by Mr. Muller at Dorjiling. As the Dorjiling barometer was in bad repair, I do not place so much confidence in these comparisons as in those with Calcutta. The coincidence, however, between the mean of all the elevations computed by each method is very remarkable; the difference amounting to only thirty feet in ninety-three elevations; the excess being in favour of those worked by Dorjiling. As the Dorjiling observations were generally taken at night, or early in the morning, when the temperature is below the mean of the day, this excess in the resulting elevations would appear to prove, that the temperature correction derived from assuming the Calcutta observations to correspond with eighteen feet above the level of the sea at Sikkim, has not practically given rise to much error.

I have not added the boiling-point observations, which afford a further means of testing the accuracy of the barometric computations; and which will be found in section J of this Appendix.

The elevation of Jillapahar is given as computed by observations taken in different months, and at different hours of the day; from which there will be seen, that owing to the low temperature of sunrise in the one case, and of January and October in the others, the result for these times is always lowest.

Moat of the computations have been made by means of Oltmann's tables, as drawn up by Lieutenant-Colonel Boileau, and printed at the Magnetic Observatory, Simla; very many were worked also by Bessell's tables in Taylor's "Scientific Memoirs," which, however, I found to give rather too high a result on the averages; and I have therefore rejected most of them, except in cases of great elevation and of remarkable humidity or dryness, when the mean saturation point is an element that should not be disregarded in the computation. To these the letter B is prefixed. By far the majority of these elevations are not capable of verification within a few feet; many of them being of villages, which occupy several hundred feet of a hill slope: in such cases the introduction of the refinement of the humidity correction was not worth the while.

SERIES I.--_Elevations on the Grand Trunk-road. February, 1848._

No. of Elevation Obs. Name of Locality Feet --------------------------------------------------------------------- 1 Burdwan 93 2 Gyra 630 3 Fitcoree 860 2 Tofe Choney 912 4 Maddaobund 1230 1 Paras-nath saddle B.4231 2 ,, cast peak 4215 1 ,, flagstaff 4428 1 ,, lower limit of _Clematis_ and _Berberis_ 3162 1 Doomree 996 1 Highest point on grand trunk-road 1446 4 Belcuppee 1219 1 Hill 236th mile-stone 1361 3 Burree 1169 1 Hill 243rd mile-stone 1339 3 Chorparun 1322 3 Dunwah 625 1 Bahra 479 1 284th mile-stone 474 2 Sheergotty 460 4 Muddunpore 402 1 312th mile-stone 365 3 Naurungabad 337 4 Baroon (on Soane) 344 4 Dearse 332 ---------------------------------------------------------------------

SERIES II.--_Elevations in the Soane Valley. March, 1848._

No. of Elevation Obs. Name of Locality Feet --------------------------------------------------------------------- 3 Tilotho 395 6 Akbarpore 403 2 Rotas palace 1489 4 Tura 453 3 Soane-pore 462 6 Kosdera 445 4 Panchadurma 492 1 Bed of Soane above Panchadurma 482 3 Pepura 587 1 Bed of Soane river 400 9 Chahuchee 490 4 Hirrah 531 4 Kotah 541 4 Kunch 561 7 Sulkun 684 ---------------------------------------------------------------------

SERIES III.--_Elevations on the Kymore Hills. March, 1848._

No. of Elevation Obs. Name of Locality Feet --------------------------------------------------------------------- 2 Roump 1090 9 Shahgunj 1102 1 Amoee 818 1 Goorawul 905 9 Mirzapore (on the Ganges) 362 ---------------------------------------------------------------------

SERIES IV.--_Elevations near Dorjiling. 1848 to 1850._

No. of Elevation Obs. Name of Locality Feet --------------------------------------------------------------------- Jillapahar (Mr. Hodgson's house) 9 ,, sunrise 7301 110 ,, 9.50 p.m. 7443 104 ,, noon 7457 99 ,, 2.40 p.m. 7477 93 ,, 4 p.m. 7447 37 ,, sunset 7447 ------- ------- Sum 452 Mean 7429 ======= _Ditto by Monthly observations._ ======= 27 January 7400 84 February 7445 37 March 7517 7 April 7582 83 July 7412 74 August 7421 95 September 7454 18 October 7351 ------- ------- Sum 434 Mean 7448 ======= ======= 103 The Dale (Mr. Muller's) B.6957 ,, by trigonometry 6952 16 Superintendent's house B.6932 ,, by trigonometry 6932 38 Colinton (Mr. Muller's) B.7179 25 Leebong B.5993 ,, by trigonometry 6021* 2 Summit of Jillapahar B.7896 2 Smith's hotel 6872 7 Monastery hill below the Dale B. 214.1 The Dale by barometer 6952 ------- 7166 Monastery hill by trigonometry 7165.3 ======= 1 Ging (measured from Dale) B.5156 12 Guard-house at Great Rungeet B.1864 2 Bed of Great Rungeet at cane-bridge 818 5 Guard-house at Little Rungeet 1672 8 Sinchul top 8655 ,, by trigonometry 8607 4 Saddle of road over shoulder of Sinchul 7412 4 Senadah (Pacheem) bungalow 7258 1 Pacheem village 3855 13 Kursiong bungalow B.4813 13 Punkabaree 1815 2 Rungniok village B.4565 2 Tonglo, summit B.10.078 ,, ,, by trigonometry 10.079.4 13 ,, Saddle below summit B.10.008 1 ,, Rocks on ascent of B.8148 4 Source of Balasun 7436 ,, by Dorjiling 7451 8 Goong ridge 7441 -------------------------------------------------------------------- * To summit of chimney, which may be assumed to be 30 feet above where the barometer was hung.

SERIES V.--_Elevations in East Nepal, October to December, 1848._


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