416 Geographical Notices. 
y- 
n consulting Captain Speke respecting the rainy season of 
that part of the interior of Africa which lies between Ujiji and 
Unyanyembé, I find that in about east longitude 30° and south 
latitude 5° the rains commence on the 15th November and end 
. * This acute scholar has shown his power as a comparative geographer by a close 
analysis of the questio vexata ing the Nile of the ancients, and shows that 
the true Nile of Ptolemy was the Blue Nile, which descends from the mountains 
! that the great lakes of the Nile of Ptolemy are at the 
Equator—a view now confirmed by the researches of Speke. As to vena £8 
he ays it is “an insulated mountain in a sea-like plain, and on a th scale of the 
ignitude required for maintaining etual snow near the Equator. 
work “Inner Afri Laid Open,” in which he explains the existence of a great sea 
