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.

No. By By of Calcutta Dorjiling Obs. Name of Locality Barometer Barometer ——————————————————————————————————- Feet Feet 1 Source of Myong river 4,798 7 Myong valley, camp in 4,345 4,345 7 Myong valley 3,801 3,763 5 Purmiokzong 4,507 4,535 2 Shoulder of Nanki 7,216 1 ,, Shepherds' hut on do. 8,999 3 Summit of Nanki 9,994 10,045 8 ,, Camp on Nanki 9,315 9,324 3 Jummanoo 4,320 4,404 5 Sulloobong 5,244 5,311 4 Bheti village 4,683 4 Sakkiazong village 5,804 5,847 3 Camp on ridge of mountain 8,315 8,391 1 Peak on Sakkiazong 9,356 9,289 3 Makarumbi 5,444 5,525 3 Pemmi river 2,149 2,262 3 Tambur river at junction with Pemmi 1,289 1,487 1 Camp on Tambur, Nov. 13 1,418 1,496 3 ,, Nov. 14 1,600 2 Chintam village 3,404 8 Mywa Guola 2,079 2,185 3 Tambur river, Nov. 18 2,515 2,574 3 ,, Nov. 19 3,113 3,289 3 Taptiatok village 4,207 4,359 2 Loontoong village 5,615 5,738 2 Tambur river, Nov. 23 8,066 8,096 10 Wallanchoon village 10,384 10,389 6 Tuquoroma 12,889 12,999 1 Wallanchoon pass B.16,764 16,748 1 Foot of pass-road 13,501 13,518 4 Yangma Guola 9,236 9,322 2 Base of great moraine 12,098 12,199 2 Top of moraine above ditto B. 679 9 Yangma village camp B.13,516 13,488 1 Lake bed in valley 15,186 1 Upper ditto (Pabuk) B.16,038 4 Yangma valley camp, Dec. 2 10,997 11,001 1 Kambachen pass B.15,770 3 Camp below ditto 11,643 11,611 1 Kambachen village 11,378 2 Camp in valley 11,454 11,514 1 Choonjerma pass B.15,259 4 Camp below ditto 13,289 13,287 1 Yalloong river-terrace 10,449 4 Camp side of valley 10,080 10,035 3 Yankatang village 5,530 5,598 1 Saddle on road south of Khabili 5,746 8 Khabang village 5,495 5,515 1 Spur of Sidingbah, crossed Nov. 19 6,057 5,980 3 Yangyading village 4,082 4,145 4 Sablakoo 4,635 4,718 7 Iwa river, Dec. 12 3,747 3,818 2 ,, Dec. 13 6,134 6,184 4 Singalelah, camp on 9,263 9,328 1 Islumbo pass 10,388 ——————————————————————————————————

SERIES VI.— Elevations in Sikkim, December, 1848, and January, 1849.

No. By By of Calcutta Dorjiling Obs. Name of Locality Barometer Barometer ——————————————————————————————————- Feet Feet 4 Kulhait valley, camp in 6,406 6,374 6 Lingcham village 4,892 4,848 5 Bed of Great Rungeet, December 20 1,805 1,874 6 Lingdam village, December 21 5,552 5,556 6 Nampok village 4,354 4,501 7 Bhomsong 1,556 1,533 8 Mainom top Tr.10,702 B.10,613 1 Neon-gong Goompa 5,225 1 Pass from Teesta to Rungeet 6,824 6 Lingdam village 5,349 5,401 1 Great Rungeet below Tassiding 2,030 Tassiding tamples 4,840 5 Sunnook, camp on 3,955 4,018 1 Bed of Ratong 2,481 1 Pemiongchi temple 7,083 10 Camp at Pemiongchi village 6,551 6,616 9 Tchonpong village 4,952 5,003 1 Bed of Rungbi river 3,165 9 Camp on Ratong river 3,100 3,242 1 Doobdi Goompa 6,493 6,451 22 Yoksun 5,600 5,635 7 Dumpook 6,646 6,710 15 Buckim 8,625 8,693 7 Mon Lepcha top 13,090 13,045 21 Jongri B.13,170 13,184 1 Ratong below Mon Lepcha 7,069 7,217 1 ,, below Yoksun 3,729 3,851 1 Catsuperri lake 6,068 6,009 1 ,, temple 6,493 6,476 4 Tengling village 5,295 5,219 5 Rungbee river bed 3,230 3,350 5 Changachelling temple 6,805 6,850 5 Kulhait river 3,075 3,243 1 Saddle of Hee hill 7,289 6 Camp on Hee hill 6,609 6,744 ——————————————————————————————————

SERIES VII.—Elevations in the Sikkim Terai and Plains of India,
Gangetic Delta and Jheels.

No. of Elevation Obs. Name of Locality Feet —————————————————————————————————- 3 Siligoree Bungalow 302 12 Titalya 326 3 Sahibgunj (west of Titalya) 231 4 Bhatgong 225 4 Thakya-gunj 284 4 Bhojepore 404 5 Rummai 293 5 Rangamally 262 5 Belakoba 368 1 Mela-meli 337 6 Kishengunj 131 43 Mahanuddy river between Kishengunj and Maldah 153 24 ,, ,, Maldah and Rampore Bauleah 98 12 Rampore (Mr. Bell's) 130 13 Dacca (Mr. Atherton's) 72 54 Jheels, Dacca and Pundua *-.003 33 Megna river (June 1st-6th) +.008 13 Soormah (June 9th) +.048 4 Pundua (June 10th and 11th) +.018 3 ,, (Sept. 7th) -.016 5 ,, (Nov. 16th and 17th) -0.66 —————————————————————————————————- * The observations marked thus * are the differences in inches between the readings of my barometer at the station, and that at the Calcutta observatory, which is 18 feet above the sea-level.

SERIES VII— Elevations in Sikkim, May to December, 1849.

No. By By of Calcutta Dorjiling Obs. Name of Locality Barometer Barometer ——————————————————————————————————- Feet Feet 2 Mik, on Tendong 3,912 4 Namtchi, camp on spur 5,608 1 Tendong summit B.8,671 2 Temi, Teesta valley 4,771 Tr.8,663 4 Nampok, Teesta valley B.5,138 8 Lingmo, Teesta Valley B.2,861 5,033 4 Lingtam spur, Teesta valley B.4,743 2,838 4 Gorh, ,, B.4,061 4,867 2 Bling-bong, ,, B.2,657 4,195 8 Linga village, ,, B.2,724 2,711 10 Singtam, May 14 to 16 B.4,435 2,839 16 Singtam (higher on hill) Oct. 30 to Nov. 2 B.4,575 5 Niong 3,954 2 Namgah 4,229 7 Chakoong 4,371 4,443 27 Choongtam, May 5,245 5,284 37 Choongtam, August 5,247 5,297 4 Dholep, Lachen 6,120 6,145 4 Dengha, Lachen 6,337 6,399 3 Latong, Lachen 6,471 6,310 8 Kampo Samdong 7,315 7,344 1 Chateng 8,819 8,695 1 Chateng, lower on spur 8,493 8,343 33 Lamteng village 8,900 8,867 53 Zemu Samdong 9,026 8,926 1 Snow bed across Zemu river 9,828 4 Camp on banks of Zemu 10,223 10,271 74 Junction on Thlonok and Zemu 10,864 10,828 47 Camp on banks of Zemu river 12,064 12,074 1 Zemu river, June 13 12,422 1 Zemu river, higher up, June 13 13,281 2 Yeunga (Lachen valley) 10,196 43 Tallum Samdong 11,540 11,424 20 Tungu, July 12,779 12,723 30 Tungu, October 12,799 12,747 1 Palung plains 15,697 3 Sitong 15,372 2 Kongra Lama pass 15,745 15,642 5 Yeumtso (in Tibet) 16,808 2 Bhomtso (in Tibet) 18,590 6 Cholamoo lakes (in Tibet) 16,900 2 Donkia pass, October 18,589 2 Donkia pass, September 18,387 56 Momay Samdong 15,362 15,069 Measured from Momay 1 Donkia, September 13 16,876 17,079 1 Kinchinjhow, September 14 17,495 17,656 1 Sebolah pass 17,604 17,567 1 South shoulder of Donkia, September 20 18,257 18,357 1 Mountain north of Momay, September 17 B.17,394 1 West shoulder of Donkia mountain, Sept. 26 B.18,510