Banza Vivi. 15th Sept. 6 a.m. 74° 29.15 cor. 30.25 Thick drizzle from west, no wind. At Banza Simbo, half way up Vivi range, aneroid 29.42. Banza Nkulu Noon 78° 28.10 cor. 29.22 Under tree facing north; puffs of above rapids. west wind, threatened rain, none came. 6 p.m. 75° 28.10 cor. 29.22 In veranda facing north-east; clear night, heavy dew. Banza Nkulu. 16th Sept. 6 a.m. 69° 28.20 cor. 29.32 Grass wet, heavy dew, rain threatened, aneroid 29.50. 100 feet above rapids. 7.30 a.m. 73° 29.25 cor. 30.37 Aneroid 30.55. Banza Nkulu again Noon. 80° 28.10 cor. 29.22 Aneroid 29.55, dull, cloudy, rain threatened. 3 p.m. 75° 28.00 cor. 29.12 Dull day, clearer towards evening, 6 p.m. 75° 28.00 cor. 29.12 very heavy dew. Altitude of Nkulu, 1212 feet. Altitude of Yellala Rapids, 390 feet. Nkulu. 17th Sept. 5.30 a.m. 67° 28.15 cor. 29.27 Grey, cool; threatens sunny day. Right bank of river. 9.20 a.m. 77° 29.30 cor. 30.42 Cool west wind. In canoe on river below Little Rapids. 10.50 a.m. 81° 20.20 cor. 30.32 Aneroid 30.57(59) Left bank 20 feet above water, under fig-tree facing north. Noon. 81° 29.20 cor. 30.32 Aneroid 30.50. Negolo Town 3 p.m. 83° 28.30 cor. 29.42 Day hot, aneroid in verandah 30.50. Banza Chingufu. 6 p.m. 71° 27.55 cor. 28.67 Clear evening, misty towards night, young moon with halo. Height of river below Vivi Fall, 195 feet. 18th Sept. 6 a.m. 65° 27.60 cor. 28.72 Cool, grey, no wind. At Chingufu as 9 a.m. 76° 27.65 cor. 28.77 Strong land wind, from east, no before. sun, heavy clouds N.E. Noon. 90° 27.50 cor. 28.62 High west wind, hot sun. 3.30 p.m. 88° 27.35 cor. 28.47 Clear at 1 p.m., thermometer 100° little wind, sun hot. 6 p.m. 77° 27.45 cor. 28.57 Clear evening, no dew, misty moon, high sea-breeze at night.