GENERAL OBSERVATIONS. 355 
going on shore, this vessel continued healthy until she 
received on board the unfortunate people belonging to the 
Congo. 
The following table exhibits the state of Fahrenheit’s 
thermometer, at three periods of the day, for one month, 
from 20th July to 20th August, in different parts of the 
river, from the entrance to the Cataract, and of the water 
of the river at noon. 
Air. Air. Air. | Water. Air. Air. Air. | Water 
Date. | 8 A. M.| Noon. | 8 P.M.| Noon. || Date. |8 A.M.) Noon. |8 P.M.} Noon. 
_————. |——____ 
——~— —_— 
° ° ° fe} ° o ° o 
July 20) 72 74 73 75 !Aug. 5| 71 78 78 77 
21} 71 76 74, 76 672 80 78 76 
PEN. lit 75 74 76 7| 72 77 77 78 
23) 72 75 75 76 8} 71 77 76 76 
24) 72 74 73 77 9) 69 78 78 78 
25) 71 76 76 77 10} 69 76 76 78 
26| 72 78 80 70 11] 70 70 75 77 
27| 73 73 77 77 12} 68 77 78 76 
28| 69 80 76 76 13} 70 76 77 76 
Q9| 70 78 74 75 14) 73 78 76 el 
30| 70 76 76 76 15| 72 78 76 77 
$1) 71 76 74 76 16] 72 77 75 76 
Aug. 1] 69 73 75 76 Wd OvelurG (6 glactG 
q] 71 73 76 76 1K) avail 76 77 78 
3) 71 74 76 76 19) 71 78 77 77 
4) 69 70 7 70 20) 69 78 75 76 
It is remarked in a meteorological journal, imperfectly 
kept by Captain Tuckey, in proceeding up the river, that 
from the mouth to Embomma, the temperature of the river 
was almost invariably at 76°. 
The alimentary plants are very various, and for the most 
valuable of them, the natives are indebted to the Portu- 
guese. The staple products of the vegetable world consist 
