264 Dr. Bcke's Summanj of recent Nilotic Discovoy. 



long., at a distance of 320 geographical miles N. 55^ W. Aim 

 Mombas ; while the northern limit of the great lake in Unia- 

 m^zi is, in the same map, laid down conjecturally in about 

 1° 2(y S. lat. and 29° E. long., at a distance of 650 geographical 

 miles N. 75° W. from Mombas ; and beyond these two points we 

 can scarcely look for the continuation of the river, unless indeed 

 it should actually be found to flow out of the lake itself. 



It is proper to remark here, that, according to Dr. Krapf's 

 explicit declaration*, this lake in Uniamezi is not identical with 

 Nyassi, — or Niassa, as Dr. Krapf spells the name, — the great lake, 

 respecting which some years back Mr. Cooley made an elaborate 

 communication to the Royal Geographical Society of London, 

 which is printed in the fifteenth volume of the Society^s Journal. 

 It should be added, that, when in Ukambani, Dr. Krapf heard of 

 the existence of a volcano in actual activity, at some distance 

 beyond Kenia to the north-west, but he did not go far enough 

 to see it. According to my hj^pothesis as to the physical cha- 

 racter of the '' Mountains of the Moon,^' they may in the most 

 general manner be likened to the Andes of South America ; and 

 these particular coincidences of snowy peaks and active volcanoes 

 serve further to complete the resemblance f. 



Turning now to the exploration of the upper stream of the 

 Nile itself, we may proceed to see how far these conjectural 

 opinions with respect to the position of its sources are borne out 

 by facts. 



At the period when my opinions on the subject were placed 

 on record, the course of the river was known only as far as 

 4° 42' 42'' N. lat., that being the extreme point reached in 

 January 1841 by the second Egyptian expedition J. In this 

 expedition M. d'Arnaud and M. Weme took part, and the 

 particulars famished by those two travellers, from native infor- 

 mation, respecting the river above the point attained by them, 

 differed materially; the former stating that it came from the 

 east, while the latter asserted that it continued a month^s journey 

 further south. 



It is only recently that the question has been decided by 

 Dr. Ignatius Knoblecher, the Pope's Vicar-General in Central 

 Africa, who in January 1850, accompanied by two missionaries, 

 Don Angelo Vinco and Don Emanuel Pedemonte, having sur- 

 mounted the rapids which had stopped MM. d'Amaud and 



* Church Missionary Intelligencer, vol. i. p. 128. 



t See Athenaeum of December 1st, 1849, No. 1153, p. 1209. 



X It is quite a mistake to suppose that the first expedition penetrated up 

 the river as far as 3° 30' N. lat. The extreme point reached by it on the 

 27th of January 1840 was 6° 36' N., which point was passed hy the second 

 expechtion, as is exj>ressly stated hy M. Weme in his Expedition zur 

 Entdeckung der Quellen des Weissen Nil, p. 9. 



