630 INDEX 
landeroini, Pisidium, 350, 351, 352, 354. 
langi, Cleopatra, 75, 292, 293 (Fig. 
51), 294 (Fig. 52), 541, 569. 
Crangon, 2, 7, 8, 20, 21 (Fig. 63), 22. 
Curvella, 492, 503. 
Egeria tenuicula, 75, 362, 366, 562, 
569. Pl. XXIX, figs. 1-3. 
Gulella, 499. 
Halolimnohelix, 491, 507. 
Homorus, 499. 
Lanistes procerus, 74, 168 (Fig. 
13c), 188, 184, 185 (Fig. 16b), 
195, 196, 197, 201, 541, 544, 568. 
Pl. XVII, figs. 1-4. 
Melanoides, 75, 254, 259, 260, 
561, 562, 568. Pl. XXII, figs. 1-2. 
Mutela, 75, 429, 482, 561, 569. 
Pl. XX XIX, figs. 3-35. 
langleyanum, Pisidium, 351, 352. 
Laniarius, 478. 
Lanistes, 70, 74, 167, 168, 169, 170, 171, 
1/4, 183, 186, 203, 623, 527, 
037, 541, 542, 544, 545, 556, 560, 
061, 562, 565, 566, 568, 571, 573, 
982, 587, 588, 597, 599. 
Lanites, 183. 
Laphrostoma, 157. 
largillierti, Segmentina, 90, 95. 
lata, Marconia, 509, 512. 
latior, Melania liricincta var., 282. 
Potadoma liricincta, 275, 281, 282, 
069. Pl. XXVI, fig. 7. 
latula, Marconia, 514. 
laurenti, Cleopatra, 291. 
Corbicula, 345. 
Inmnexa, 113. 
Lauria, 485. 
Lavigeria, 71, 249, 299, 300, 302, 323, 
324, 327, 328, 590, 592. 
Lavigeria, 330. 
lavigeriana, Aspatharia, 427, 587. 
Brazzea, 427. 
Burtonia, 444. 
Cameronia, 442. 
Corbicula, 339, 345. 
Giraudia, 311 
Hauttecceuria, 307. 
Limnexa, 114. 
Moncetia, 427. 
Mutela, 429, 486, 587. 
Rumella, 308. 
lavigerianus, Planorbis, 117, 123, 587. 
Unio, 409. 
Lavigeride, 249. 
lavigerier, Corbicula consobrina var., 339. 
Pliodon, 442. 
lavigerina, Cameronia, 442. 
Spatha, 427. 
lavigerinus, Unio, 409. 
Leachia, 105. 
lear, Platiris, 443. 
Leander, 24, 25, 66. 
lechaptoisi, Edgaria, 330, 590. 
Lavigeria, 330. 
Nodularia, 383. 
Unio, 383. 
Lechaptoisia, 71, 249, 266, 302, 323, 335, 
590. 
Ledoulxia, 490, 493, 496, 506, 519. 
ledoulxiana, Edgaria, 334. 
Edgaria egregia f., 334. 
Nodularia, 383 
Paramelania, 334. 
ledoulxianus, Unio, 383. 
legumen, Mutelina, 430. 
leia, Nyassomelania, 251, 256. 
Subulina, 493, 499, 517. 
lemairei, Pseudoglessula, 517. 
Lemnacee, 530. 
lenfantc, Vivipara unicolor var., 206. 
Viviparus unicolor var., 206. 
lenowrt, Vivipara, 205. 
Lentii, Helichrysum, 511. 
lenzi, Fischeria, 374. 
Iphigenia, 371, 374, 569. 
lenzui, Macrobrachium, 1, 65. 
Palemon, 33, 34, 35, 37. 
leopoldvillensis, Ampullaria, 180. 
Paludina, 207. 
Parreysia, 383, 390, 391 (Fig. 86), 
392 (Fig. 87), 559, 560, 561, 569. 
PL. XXX, figs. 14. 
Pila, 175, 179, 180, 542, 560, 568. 
Pl. XIV, figs. 1 and 9. 
Pseudospatha, 439. 
Unio, 390. 
