PROFESSOR SMITH’S: JOURNAL. 327 
some pigeons; and being induced to pursue a flock of large 
crested toucans, I did not reach Inga till it was quite 
dark, where they had been in some uneasiness about me. 
Last night, when encamping in the open air near the 
river, we had the first shower of rain since our arrival in 
Africa. ‘The negroes on seeing the new moon expressed 
great joy, because during the next moon there would be 
abundant showers of rain, and the time would then be ar- 
rived for planting their grain. ‘The river would then also 
begin to swell, and in two months the rainy season, proper- 
ly so called, would be set in. Lockhart had made a tour 
to the river, where he had found another Epidendron, and 
an Euphorbia ten feet high. Caudice 3-ang. spinis margina- 
lb. binis, ovalibus crassis, petalis oblongo-peltatis. 
August 27. Hawkey returned from his journey already 
before noon, having proceeded beyond Manseea, where he 
had found the fruit of a singular water-plant, calcare longo. 
Accompanied by Galwey I descended into a deep ravine, 
situated N. E. from the village. The plants grew here 
thicker than we had observed in any place before, but the 
greater number of them bore only leaves. We now ascended 
a hill, which afforded us a view of four of the falls. That 
part of the river, where they occur, is contracted between 
rocky hills, forming nearly a continued line of rapids. 
Sanga Jalala is the uppermost fall but one, and the highest. 
The lowest is under the village of Inga, a little before the 
river turns towards the south, and the fall of Yellala begins 
at the last turning of the river towards the general direc- 
tion, or south-east. The length of the rapids is perhaps 
