INDEX 
Paramelania, 324. 
_ sptracea, Physa, 135. 
spiralis, Lobogenes, 75, 225 (Pig. 24), 
556, 568. 
Physa, 141. 
Sptrilla, 250. 
Spirophyllum, 529. 
spirorbis, Planorbis, 533. 
Spizetus, 179. 
splendens, Anodonta, 426. 
splendida, Iridina, 448. 
spoliata, Melania ponthiervillensis var., 
285. 
Potadoma ponthiervillensis mut., 272 
(Fig. 45), 278, 275, 276, 286, 
286, 541, 569. Pl. XXV, figs. 
2-OF. 
Spongilla, 453. 
Spongillide, 453, 557. 
squamatus, Francolinus, 476. 
Squilla, 57. 
squilla, Cancer, 24. 
Leander, 24. 
Palemon, 7, 8, 20, 24 (Fig. 64), 65, 
66. 
stagnalis, Helix, 105, 106, 214. 
Limnea, 540. 
Lymnea, 105, 110, 525, 538. 
Stagnicola, 106. 
stagnorum, Celatura, 75, 386, 404, 
405, 406, 561, 569. Pl. XX-XITI, 
figs. 1, la, 1b. 
Diplodon, 404. 
Unio, 404. 
Stanleya, 70, 249, 301, 302, 307, 589. 
Stanleya, 310, 311. 
stanleyana, Joubertia, 324, 590. 
Paramelania, 324. 
Physopsis, 147. 
Physopsis africana var., 143, 147, 
568. 
stanleyt, Bithynia, 219. 
Bulimus, 216. 
Bythima, 216. 
Physopsts, 147. 
Physopsis africana, var., 147. 
Planorbis, 117, 124, 576. 
Vaccinium, 511. 
651 
_ Stanleyvillensis, Celatura, 75, 386, 
403, 569. Pl. XXXII, figs. 3-4; 
Pl, X XXIII, fig. 3. 
Thapsia, 499. 
Staphylinus, 470. 
stappersi, Pseudospatha, 76, 444, 446, 
588. Pl. XLV, fig. 6. 
stelznert, Planorbis, 127. 
stenochorias, Ancylus, 152. 
Burnupia, 152, 153. 
Stenogyrine, 490, 506, 507. 
Stomatodon, 249. 
Stomatopoda, 57. 
Stormsia, 228. 
Stratospongilla, 453. 
streperus, Chaulelasmus, 539. 
Streptaxide, 469, 482, 484, 485, 490, 
491, 508, 506, 599, 600. 
Streptaxine, 600. 
Streptoneura, 97. 
Streptopelia, 477. 
Streptostele, 476, 490, 492, 493, 499, 
506, 511, 512, 613, 517. 
streptosteloides, Streptostele, 512. 
striata, Iridina, 440. 
Physa, 1382. 
Striatella, 251. 
striatula, Bythinia, 89. 
striatulus, Bulimus, 89, 95. 
striatus, Pagurus, 45, 48. 
strigosa, Isidora, 137. 
strigosus, Bulinus, 137. 
Strombus, 257, 267. 
Strychnos, 495. 
stuhlmanni, Ampullaria erythrostoma var., 
182. 
Ancylus, 152, 154. 
Aspatharia, 414, 415, 416, 417, 418, 
419, 569. 
Burnupia, 152, 597. 
Ceecilioides, 510. 
Caridina togoénsis var., 11, 13, 15, 
17, 64, 65. 
Helicarion, 513. 
Helichrysum, 511. 
Lanistes, 200, 201, 202. 
Lobelia, 511. 
Pachylabra erythrostoma var., 182. 
