INDEX. 



361 



Elevation and depression in the Great 



Central Range, 35. 

 Emergence of the primary fresh-water 



series, 17. 

 Engraulicypris pinguis, 124. 

 Ephydatia mulleri, 317. 

 Eretmodus cyanostictus, description of, 



210. 

 Etna in relation to the Apennines, 36. 

 Eupera parasitica, 131. 

 Euphorbia trees, their part in the forma- 

 tion of park-lands, 115, 117. 

 Eurycolpic fold, definition of, 50. 



,, ,, valley, formation of a, 43. 



,, folds of Central Africa, 76. 



,, ,, compared to the canals of 



Mars, 52. 

 ,, ,, compared to rills on the 



moon, 52. 

 ,, ,, , extent of 85, 86, 93. 



,, ,, , eastern, the, 40. 



,, ,, , formation of, by lateral 



pressure, 50. 

 ,, ,, , floor of, 82. 



,', ,, , inter-relationships of, 50, 



5i- 

 ,, ,, , position of, 7. 



,, ,, running to the Red Sea, 



132. 

 ,, ,, , structural features of, 



42-50. 

 ,, ,, , unique character of, 51. 



,, ,, , volcanoes in the floor of, 



52. 

 Evidence as to the nature of the halolimnic 



fauna, 353, 354. 

 Examination of the Great African Ridge, 



40. 

 Experiments on marine faunae, 12. 

 Existing conceptions of the origin of fresh- 

 water fauna;, 13. 

 Extent of the eurycolpic folds, 40, 42, 45 



FAULTING ON NVASSA, 35, 42. 

 Fauna, Albert Edward Nyanza, of the, 89, 



133. 144- 

 ,, , Albert Nyanza, of, 129, 144, 147. 



Fauna, Bangweolo, Lake, of, 127. 

 ,, , Beringo, Lake, of, 144. 

 ,, , Congo, of the, 139, 142. 

 ,, , distinctive character of the halo- 

 limnic, 334. 

 ,, , general fresh-water, 325. 

 ,, , halolimnic, the, evidence to account 



for, 352, 354. 

 ,, ,, , of Tanganyika, 328, 



341, 342, 350. 

 ,, ,, , the, has emanated 



from the sea, 337, 



339, 342. 

 ,, ,, , hypotheses to account 



for, 336. 

 ,, ,, , primitive character of 



the, 330. 

 ,, , Kela, Lake of, 127. 

 ,, , Kivu, Lake of, 87, 128. 

 ,, , lacustrine, compared to an island 



flora, 147- 1 51. 

 ,, , lakes, of the, enquiry into the 



nature of, 31. 

 ,, , Mwero, Lake of, 127, 144. 

 ,, , Nyassa of, 3, 124, 125, 126, 147. 

 ,, ,, , no marine relics among the, 



72. 

 ,, , Rudolf, Lake of, 132. 

 ,, , Rukwa, Lake of, 73, 121. 

 ,, , Shirwa, Lake of, 3, 23, 126. 

 ,, , Tanganyika, of, 9, 133, 140. 



, age of, 325, 343. 

 ,, ,, , ancestral type of, 



343- 



,, ,, , compared to that 



Mwero, 134. 



,, ,, , description of, 217. 



,, ,, , distinctive cha- 



racters of, 143. 



,, ,, , fishes of, 134. 



,, ,, , Jurassic type of 



the, 73, 344. 



,, ,, , marine aspect of, 



141. 



,, , Victoria Nyanza, of the, 144. 

 Faunas of the African Lakes, do not 



migrate, 145. 



