INDEX 
Tridina, 441, 587. 
LInimnotrochus, 318, 319. 
Micronyassia, 255. 
Neothauma, 211. 
Nyassia, 255. 
Paramelania, 329. 
Pisidium, 350, 352, 354, 587. 
Pleiodon, 441. 
Pliodon, 441, 442. 
Reymondia, 312, 313. 
Reymondia horei var., 313, 589. 
Rumella, 307, 308. 
Spekia, 315. 
Stanleya, 310. 
Syrnolopsis, 231, 232, 239. 
Tangantkia, 304. 
Unio rostralis var., 397. 
Giraudia, 249, 299, 300, 302, 309, 311, 
590. 
Giraudia, 312, 313, 314. 
glabrata, Neritina, 158, 159, 161, 164, 
565, 566, 568. Pl. X, figs. 1-40. 
glaucina, Achatina, 499, 500. 
globosa, Aitheria elliptica form, 449. 
Ampullaria, 172. 
Ampullaria speciosa var., 180. 
Bythima neumanni var., 216. 
Fischeria, 371. 
Hautteceuria minuta var., 306. 
Hirthia, 328, 590. 
Physa, 146. 
Physopsis, 92, 146. 
Physopsis africana, 148, 144, 145, 
146, 147, 544, 556, 568, 573, 597. 
Pl. XI, figs. 8-89. 
Pila, 173, 174. 
Rumella, 308. 
Tanganikia, 306. 
Unio hauttecceuri mut., 382. 
Vivipara costulata var., 205. 
Viviparus unicolor var., 207. 
globosus, Bulimus neumanni var., 216. 
Planorbis sudanicus var., 118. 
Viviparus costulatus var., 205. 
Glossina, 517. 
Glossiphonia, 532. 
glyptocephala, Subulina, 499. 
Glyptophysa, 132. 
623 
Gonaxis, 476, 490, 492, 503, 506, 509, 
512, 513, 514, 515. 
Goniobasis, 534. 
Gonyodisceus, 517, 519. 
gordonensis, Ancylus, 151, 
Burnupia, 151. 
gordon, Ampullaria, 175. 
Pila, 175. 
gossett, Cameronia, 441. 
gouldi, Neritina, 158. 
gracile, Opeas, 459 (Map 7), 460. 
gracilior, Melania nigritina var., 275: 
Viipara, 205. 
Viviparus, 205. 
gracilis, Syrnolopsis, 75, 227, 234 
(Fig. 3la—c), 235, 589. 
Unio, 380. 
gradata, Ampullaria, 175. 
Physa, 140. 
Pila, 175. 
gradatus, Bulinus, 140. 
grandidieri, Cleopatra, 290. 
Unio, 381. 
Grandidieria, 71, 85, 378, 379, 385, 386, 
391, 393, 394, 586, 588, 589. 
grandidieriana, Burtonia, 447. 
Edgaria, 334, 335. 
Giraudia, 311. 
Paramelania, 334. 
Spekia, 316. 
Syrnolopsis, 228. 
grandis, Lavigeria, 299 (Fig. 56c), 323, 
325 (Fig. 68b—c), 326, 590. 
Nassopsis, 326, 327. 
Nassopsis nassa var., 324, 326. 
Paramelania, 326. 
Tiphobia nassa var., 324, 326. 
granifer, Melampus, 100. 
grantianus, Unio, 381. 
granulimanus, Dardanus, 2, 7, 8, 49. 
Pagurus, 49. 
Petrochirus, 49. 
granulosa, Grandidieria, 399. 
Pirena, 269. 
granum, Assiminea, 242. 
Melampus, 76, 100. 
Melampus, 76, 100. 
