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, wlien 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, Avould 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-a7ig. spmis mai'gina- 

 lib. binis, ovalibiis crassis, petalis oblongo-peltutis. 



August 27- Hawkey returned from his journey already 

 before noon, having proceeded beyond Mansaea, 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 numberofthem bore only leaves. We now ascended 

 a hill, which afforded us a view of four of the falls. That 

 part of the river, Avhere they occur, is contracted between 

 rocky hills, forming nearly a continued line of rapids. 

 Sanga Jalalais 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 



