604 
Mutelina, 428. 
Nodularia, 378, 406. 
zgyptiacus, Unio, 385, 399, 406. 
zgyptica, Venus, 361. 
zeneus, Unio, 378. 
sequabilis, Clibanarius, 50, 51, 52. 
equatoria, Celatura, 378, 400, 401, 545, 
560, 569. | 
eequatoriale, Apaloderma, 478. 
Ptychotrema, 492. 
zquatorius, Uno, 401. 
zquinoxialis, Neritina, 165. 
xquitoria, Nodularia, 401. 
zereus, Ceuthmochares, 477. 
Aitheria, 447, 448, 449, 450, 451, 452, 557. 
zetherize, Spongilla, 453. 
ethiopica, Limnea, 109. 
zthiopicus, Planorbis, 124. 
zethiops, Paludina, 207. 
afer, Theodoxus, 165. 
aferula, Parreysia .378. 
Unio 378. ! 
affinis, Lanistes 194. 
Pedipes 1038. 
afra, Helix, 103. 
Neritina, 165. 
africana, Ampullaria, 175. 
Balea, 485. 
Bithynia, 216. 
Cleopatra, 290. 
Congeria, 456. 
Corbicula, 339. 
Cyrena, 339, 340, 348. 
Dreissena, 455, 456. 
Inmnexa, 108, 109, 1138, 114. 
Neritina, 158. 
Physopsis, 91, 92, 98, 95, 142, 143, 
144, 146, 540, 541, 544, 556, 560, 
568, 573, 597. Pl. XI, figs. 6-6a 
and 7-7d. 
Pila, 175, 177. 
Trachypenxus constrictus var., 10, 
67. 
africanum, Cyathopoma, 492. 
africanus, Actophilus, 539. 
Bulimus, 216. 
Clibanarius, 2, 7, 8, 51, 52, 53, 54, 
55 (Fig. 73). Pl. IX, fig. 2a. 
INDEX 
Paludomus, 290. 
Panopeus, 22. 
Phalacrocorax, 4. 
Strombus tympanorum, 267. 
Unio, 378. 
Unio caffer var., 378. 
Africarion, 515. 
Afrodonta, 484. 
Afropomus, 74, 167, 170, 171, 177, 546, 
600. 
Agama, 474. 
agrestis, Limax, 88, 472. 
aguiaril, Egeria, 360. 
Galateia, 360. 
ahena, Nakuruélla, 515. 
aillyi, Trochozonites, 492. 
ajanensis, Cleopatra, 291. 
Paludomus, 291. 
alabastrina, Hydrobia, 221. 
Paludestrina, 221. 
Alangium, 509. 
alata, Mutela, 428, 430. 
Spatha, 428. 
alba, Corbicula, 340. 
albertensis, Planorbia, 115, 121. 
albertz, Bithynia, 218. 
Bulimus, 217, 218 (Fig. 18), 220, 
576, 577. 
Bythinia, 218. 
alhida, Cyrena africana var., 340. 
Physa tchadiensis var., 137. 
albina, Corbicula artini var., 339. 
albipectus, Turdinus rufipennis, 478. 
albiventris, Haleyon, 477. 
Albizzia, 508. 
albolaris, Rana, 473. 
albus, Planorbis, 124, 533. 
Alchemilla, 509, 511. 
alexandri, Lanistes, 186. 
Meladomus, 186. 
alexandrina, Bullinus dybowskii var., 136. 
Inmnea, 113. 
Planorbis, 132. 
Planorbula, 131. 
Segmentina, 131. 
alexandrinensis, Planorbula, 131. 
alexandrinus, Bulinus dybowskii var., 
136. 
