12 61 68 63 42 25.29 25.22 25.25 25.25 0 E. 2 W. 4 0 E. ½ 13 62 67 63 44 25.26 25.19 25.20 25.23 0 W. 1 W. 3 0 0 14 62 67 63 45 25.24 25.21 25.20 25.24 0 W. 1 W. 2 0 E. ½ 15 63 66 62 44 25.27 25.25 25.27 25.28 0 SW. by W. 1 SW. by W. 2 0 0 16 63 69 64 49 25.24 25.19 25.20 25.22 0 W. 1 W. 2 0 0 Particular average, 59.70 64.75 59.3 41.5 25.25 25.1825 25.1962 25.2231 General average, 56.2 25.21 OBSERVATIONS FOR MARCH 1803. Day. 1 Thick fog. Emodus clouded. Valley clear. 2 3 No fog. Emodus clear. In the morning a little hoar-frost on the straw, but none on grass. 4 Some fog. Emodus clouded. 5 Much fog. id 6 Id Emodus clear in the forenoon. 7 No fog. Hoar-frost. Emodus clear. 8 Id Emodus clear. 9 Id Emodus clouded. 10 Id Emodus at times visible. 11 Id id 12 Id id 13 A little fog. Emodus clouded. 14 Id id 15 No fog. id 16 Id id CALCULATION OF THE ALTITUDES OF SOME OF THE SNOWY MOUNTAINS FROM THE VALLEY OF NEPAL. BY COLONEL CRAWFORD.