11th Sept. 9 a.m. 77° 27.70 cor. 28.82 Misty morning, warm but clouding over; Banza Noon. 87° 27.55 cor. 28.67 at noon high sea-breeze, glare and hot Chingufu 3 p.m. 83° 27.45 cor. 28.57 sun, when clouds break 97° in sun, above Nokki; 6 p.m. 73° 27.50 cor. 28.62 2 p.m.; 3 p.m., high sea-breeze up see also 18th river; 6 p.m., cold sea-breeze, cloudy and 19th Sept. sky. Altitude of Chingufu, 1,703 feet. Chingufu 12th Sept. 6 a.m. 65° 27.70 cor. 28.82 Clear fine morning; high west wind First observation Nekolo. at 6 a.m.; pocket aneroid 29.00 Chingufu, 9 a.m. 76° 28.50 cor. 29.62 Shady verandah facing to west; at others at Nekolo Noon. 84° 28.35 cor. 29.47 noon aneroid 30.05; 3 p.m., hot lower down & near 3 p.m. 85° 28.40 cor. 29.52 sun, westerly breeze, few clouds; river. 6 p.m. 77° 28.30 cor. 29.42 6 p.m., very clear, east wind strong; no dew at night. Negolo Nkulu. 13th Sept. 6 a.m. 70° 28.45 cor. 29.57 Close cloudy morning; 9 a.m., Negolo and near 9 a.m. 77° 28.50 cor. 29.62 alternately clear and cloudy, Congo River. Noon. 90° 28.45 cor. 29.57 glare, no wind; noon bright and sultry, no clouds; 3 p.m., in shady cove 10 feet above river; rain at 5.30 p.m., lasted two hours; dispersed by westerly breeze. Cove near river. 3 p.m. 94° 29.10 cor. 30.22 Height of Negolo, 828 feet. Left bank. 14th Sept 6 a.m. 74° 29.30 cor 30.50 Dull, warm, and cloudy. Right bank. Banza Vivi on 9 a.m. 84° 29.35 cor. 30.57 Aneroid 30.60, dull day. hills above right Noon. 80° 28.95 cor. 30.07 Anerodi 30.10 dull day, very little bank. 3 p.m. 84° 28.35 cor. 29.47 breeze, village shut in, clouds 6 p.m. 79° 28.85 cor. 29.97 from west