308 PROFESSOR SMITH'S JOURNAL, 



continually decreases in approaching the summit, where 

 the formation is almost entirely quartz. Among the trees 

 we found lying on the giound several pieces of wood, 

 which was called lignum vitcE by our carpenters. It is 

 extremely hard, but I could not ascertain what it is. A 

 Maba palm was cut down, which I examined. We found 

 several curious insects. Our situation, as we are walking 

 here under groups of trees of various . kinds, would be 

 envied by many of our friends. We saw monkeys running 

 to and fro on ihe branches of the trees (Simia cephus), and 

 several birds, among which was a spotted Alcedo. Divine 

 service was performed on deck, where we had an agree- 

 able temperature. We observed on a small bank of mud, 

 situated a tew fathoms only from our anchorage, that the 

 flood tide rose about ten inches. 



August 5. In our tiat-bottomed boats we arrived at 

 Tchinsala, and run deep in the mud. We observed the 

 Congo proceeding upwards. The Captain was just gone 

 on board the Congo, and brought her up to the height of 

 Tchinsala on the opposite side of the river, where she 

 anchored near the end of the island Kinyangala. The 

 Captain fmding that she only retarded our progress, re- 

 solved to leave her in this place. Tlie evening was spent 

 in arranging for our furthei progress in the double-boats. 

 Fitzmamice and Hawkey went on board the schooner.. 

 Cranch was at first resolved, after lor)g deliberation, to re- 

 main with the Congo, but changed his mind on hearing 

 that the third part of the apparatus should be dehvered up 

 to us. All left collections to be conveyed to the Dorothy. 

 I left all my dry plants and a box full of seeds. 



