362 
INDEX . 
Faunas of the African Lakes, number of 
species in 
the, 146. 
„ ,, Rivers, 139. 
Fergusson, altitude reached by, on the 
Mountains of the Moon, 102. 
,, , geological investigations of, in 
Africa, 55. 
Fishes of the Albert Edward Nyanza, 130. 
,, ,, Nyanza, 129. 
,, , cichlid, distribution of, 19. 
,, , Congo, of the, 342. 
,, , ganoid, found by Drummond, 62, 
72. 
,, , halolimnic, the, of Africa, 340. 
,, , Mwero, of, 128. 
,, , Nyassa, of, 124. 
,, , Tanganyika, of, 134, 135, 152. 
,, , ,, , list of, 13b. 
,, , Triassic remains of, 62. 
,, , Victoria Nyanza, in the, 130. 
Flora of Central Africa, perplexing nature 
of, 107. 
,, , types of, between the Albert Nyanza 
and Mountains of the Moon, 114. 
Floras, island and continental, 147, 148. 
,, ,, , compared to lake faunas, 147. 
Folds in the earth, formation of, 30, 69, 
70, 71, 98, 123. 
Fossils, Jurassic, 345. 
,, , marine oolitic, 346. 
Fossilized remains north of Tanganyika, 
82. 
Fulleborn, observations of, on Rukwa, 73. 
Fundulus taeniopygus, 13 1. 
GANOIDS, 10, 330. 
Gardener, landscape, in Africa, 107. 
Gastropods of Tanganyika, 141, 217. 
,, ,, , affinities of, 
269. 
,, ,, , affinities with 
oceanic 
forms, 268. 
,, ,, , alimentary sys- 
tems of, 276. 
Gastropods of Tanganyika, ancestral cha- 
racters of, 
277, 278. 
,, ,, , isolation of, 
320. 
,, ,, , halolimnic, 
the, 266. 
,, ,, , Jurassic paral- 
lels among, 
349- 
,, ,, , normal series 
of, 217. 
,, ,, , number of types 
of, 267. 
,, ,, , primitive cha- 
racters of, 
268. 
Geneva, valley of, 34. 
Geographical exploration needed, 7. 
,, fact, an important, 136. 
Geological changes in Africa still going 
on, 107. 
,, change in Africa, evidence of, 
1 18. 
,, character of Africa only parti- 
ally known, 56. 
,, character of Central Africa, 
354* 355- 
,, conceptions of Sir R. Murchi- 
son, 32. 
,, construction of Africa, 33. 
,, features of Africa, 31. 
,, impermanence of Africa, evi- 
dence of park-lands on the, 
117. 
,, investigations of Mr. Fergus- 
son, 55. 
,, observations of White and 
Tausch, 334, 
336. 
,, ,, the Tanganyika 
Expeditions, 
327- 
,, period of the beginning of 
the eurycolpic folds, 69. 
,, theories, older, disagree with 
geological facts, 31. 
