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 ground several pieces of wood, 
which was called ignum wte 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 the 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 few fathoms only from our anchorage, that the 
flood tide rose about ten inches. 
August 5. In our flat-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 finding that she only retarded our progress, re- 
solved to leave her in this place. The evening was spent 
in arranging for our further progress in the double-boats. 
Fitzmaurice and Hawkey went on board the schooner. 
Cranch was at first resolved, after long deliberation, to re- 
main with the Congo, but changed his mind on hearing 
that the third part of the apparatus should be delivered up 
tous. All left collectrons to be conveyed to the Dorothy. 
T left all my dry plants and a box full of seeds. 
