374 Geographical Notices. 
36° 30’ E. long. from Greenwich. This is not the third part of 
the way from Bagamoyo to the inland se 
The members of Dr. Baikie’s étpodition, are still engaged i in 
their explorations upon the Niger. he ‘Da 
Spring,” embarrassed their proceedings, and the “ Sunbeam,” by 
which its place was supplied, was not able to ascend the Niger 
till after the rise of its watersin Ju 
Rev. Samuel Crowther, one of the Missionaries of the Church 
ihe woe rr who has been inthe compa oe of Dr. Baikie, 
of the gospel among them, are ‘voor surprising 
e are informed that, at a recent meeting of the “U.S. Na 
tional Colored Convention,” an exploring party was appointed to 
go to the Niger, and ascertain what inducements exist for colored 
men from this country to enter into commercial and agricultural 
pursuits, in the region of that river. 
The Desert o Shore —The following summary in respect to 
the Sahara, is translated from Karl Arenz’s ee of the re- 
searches of Barth, Overweg, Richardson, and Vog 
The Desert of Sahara has been represented as fe a low, flat 
plain, scarcely rising shows the level of the ocean,—a vast sea of 
sand, upon which, besides a few craggy lines of rock that pro- 
ject into it here and there, there are no other elevations but 
those shifting mounds and columns of sand, that, like huge bil- 
lows, move at the mercy of the wind,—a trackless waste, where 
the traveller, after many days’ journey, may still look in vain 
bs a single trace, — of vegetation or of —— life. Mod 
rm researc 10wever, do not sustain this vi On the con- 
pe they dion eyaihd a doubt that the Seduce consists mostly 
of a series of table-lands of a greater or less elevation, jutting 
up occasionally into mountains, and sometimes divided from 
each other by valleys, or plains covered with anid and appa- 
rently interminable. us take a ss survey of the princi- 
- 
Barth's party crossed three high and wide ems parallel with 
feet high, where first they ascended it, =e ually sloping a5 
they on, until it terminated at the moderate height of on. 
ext, the monotonous Hamadah, stretching away at 4 
n height of from 1300 to 1600 feet, for 120 miles; and then, 
ossin, Bo fect thet of 600 to 700 feet elevation, and ore niature 
plateau ‘is elevated not far from Scone’ 
