Aden to Zanzibar. Position at noon 12.13N 49.21E. Course E ¾ S 12.5 knots. Wind east to ENE force 3 decreasing to 2 at noon before increasing to force 4 at 1600 and finally becoming east force 2 at midnight. Broken cloud. Barometer 29.98 inches rising to 30.04 at noon rising to 30.04 inches falling to 1600. 29.98 inches. Midnight 30.08 inches. Temperature at noon 80F.0930 mustered by Divisions. Reduced to 100 Revolutions – 11.8 knots. Performed divine service. 1615. Mustered at Quarters. 1720 Altered course to East. 2000. Altered course to SE by E ¾ E. 2230 Altered course to S by E. Coal expended 38 tons 19 cwt. Number on sick list 9.