INDEX. 
359 
Aqueous deposits of African interior, ex- 
tent of the, 66. 
>» >> ,, , po- 
sition of the, 66. 
,, ,, of Nyassa, types of, 43, 
65- 
,, ,, of Tanganyika, 35, 62, 
65, 66, 80. 
Arachnoidia ray lankesterii, description of, 
297. 
Asprotilapia leptura, description of, 210 
Auchenoglanis, 128. 
,, biscutatus, description of, 
164. 
Auvergnes in relation to the Alps, 36. 
BAGRUS MERIDIONALIS, 124. 
Bangweolo, Lake, fauna of, 127. 
,, ,, , similar in character to 
the V. Nyanza, 131. 
Barbus altianalis, description of, 156. 
,, edwardianus, 130. 
,, fergussonii, 130. 
,, pagenstecheri, 130. 
,, platyrhinus, description of, 156. 
,, serrifer, description of, 158. 
,, trimaculatus, 124. 
Barilius rnoorii, description of, 1 58. 
,, guentheri, 124. 
,, tanganyicte, description of, 160. 
Basin of the Congo, 342. 
Bathanalia, 218, 221. 
,, , affinities of, 266, 270, 344, 
347) 348. 
,, , character of, 347. 
,, compared to the Jurassic fossil 
Amberleya, 228. 
,, , description of, 228. 
Bathybates fasciatus, description of, 185. 
,, ferox, description of, 184. 
Baumann, explorations of, 79. 
Beringo, Lake, the fauna of, 144. 
Bithynia humerosa, 125, 131. 
,, stanleyi, 125. 
Bbhm’s discovery of jelly-fishes, 2. 
Boulenger, investigations of, concerning 
the Congo fishes, 330, 342. 
Bourguignat, 220. 
Bouvier, researches of, 270, 277. 
Burton, Sir Richard, expedition of, 1. 
CAPOETA TANGANYIC/E, DESCRIP- 
TION OF, 154. 
Capulus, affinities of, 270, 271, 272. 
Caspian sea, 30 
Caucasus, the, formation of, 35, 36. 
Cause of extinction of the ancient marine 
types of fauna, 17. 
Celebes, mollusca of, 13, 14. 
Chad, Lake, 139. 
Chalky deposits on Nyassa, 43. 
Chasms, deep valleys, 39. 
Characinidte, 135. 
,, , distribution of, 341. 
,, in Mwero, 128. 
,, in Nyassa, 124. 
,, in Tanganyika, 154. 
,, in Victoria Nyanza, 131. 
Character of Amberleya, 349. 
Chytra, 218. 
,, , affinities of, 230, 245, 266, 271, 
272, 349. 
,, kirkii affinities, 230, 232, 331. 
,, ,, , description of, 228. 
Cichlidte, 135. 
,, , Albert Edward Nyanza, of the, 
130. 
,, , Congo, of the, 136. 
,, , cosmopolitan nature of the, 341. 
,, , description of in Tanganyika, 
168. 
,, , distribution of, 19. 
,, , halolimnic, 340. 
,, , Mwero, of, 128. 
,, , Nyassa, of, 124. 
,, , Rudolf, of, 132. 
,, , Tanganyika of, 10, 136, 329. 
,, , Victoria Nyanza, of the, 130. 
Citzarmus geoffreyi, 132. 
Clarias layera, 130. 
,, lazeras, 130. 
,, biocephalus, description of, 162. 
,, rnoorii, 130. 
