Take, and the height of the equatorial mountains. There is Te 
ght of the equatoria eee ul o 
234 . Geographical Notices. 
which the great arc series forms the eastern side. Simultane- 
ously with these trigonometrical operations, most minute and 
elaborate topographical surveys have been executed under the 
superintendence of Colonel Waugh throughout the greater por — 
tion of these tracts. 
ce 
the affluents of the Ganges run, the loftiest summit is situated — 
than the famous Kinchinjunga of Nipal, Colonel Waugh | 
gratefully and appropriately named this, the highest known ele 
vation in the world, Mount Everest, after his valued geographt 
cal instructor.” 
CENTRAL AFrica. Expepirions or Capt. Burton AND DR 
RoscHEeR.—Our readers are already acquainted with the expedr 
tion of Capt. Burton, and of his determination to reach, if po 
sible, the mysterious lake of Central Africa, by penetrating west 
ward from the coast of Zanzibar. Letters received from Rev, 
J. Rebmann, missionary at Zanzibar, by the Church Miss. Soe, 
of London, and published in their Record for December las 
state that Capt. Burton had reached the lake Uniamesi, but 
give no further particulars in respect to his journey. _ Three 
letters from the explorer himself giving his observations in Zan 
zibar, written in a spirited style, are given in Blackwood’s Mag: 
azine for February, March and May, 1858. are 
The missionary letters just alluded to, announce also the arti 
val in Zanzibar of the German traveler, Dr. Albrecht Roseher, 
and of his departure for the reported snow peaks near the equ 
tor. Dr. Roscher is represented as qualified in every Way, by 
his previous studies, his energy of character and his exoellet 
outtit, to undertake this difficult exploration. He pres un iD 
varia. efforts 
we have translated the following passages which occur 1D 
paper by Dr. Tosti, showing ike reasane for his electing 
1 into Cen 
