606 
Andropogon, 495, 502. 
angolense, Sesarma, 164. 
angolensis, Bulinus, 135. 
Physa, 135. 
angoniensis, Unio, 378. 
angulata, Caillaudia, 124, 127. 
angulatus, Tagelus, 565. 
angulifera, Littorina, 564. 
angusta, Fasciola, 89. 
Segmentina, 129, 130 (Fig. 1la-c), 
548, 568, 587. 
angustata, Iridina, 435. 
Mutela, 428, 429, 485, 568. 
Anodon, 415, 420, 422. 
Anodonta, 524, 530, 532, 535, 539, 544. 
Anodonta, 411, 412, 413, 414, 419, 420, 
2 422, 425, 426. 
Anodontites, 410. 
anomala, Melania tuberculata var., 258. 
Melanoides, 75, 252, 258, 262, 556, 
568. Pl. XXI, figs. 8-12. 
Anona, 495. 
Anopheles, 91. 
anselli, Centropus, 477. 
Anthus, 474. 
antiguensis, Planorbis, 93, 95. 
Antimelania, 300. 
antiniloticus, Reneus, 379. 
antiquus, Lanistes, 184. 
Aonyx, 4. 
Apaloderma, 478. 
Apera, 484. 
Aperide, 484, 485. 
apertus, Planorbis, 125, 128, 576, 577, 
578. 
apicata, Burnupia transvaalensis var., 
152. 
apiculata, Physa, 140. 
apiculatus, Bulimus, 140. 
Aplecta, 147. 
approximans, Fischeria, 370. 
Iphigenia, 370, 374. 
Spatha, 421. 
aquaticus, Cinclus, 534. 
Rallus, 535. 
aquilinum, Pteridium, 508. 
Arachnoidia, 585, 592. 
Aramus, 536. 
INDEX 
araneosa, Celatura, 379, 407, 569. 
Nodularia, 407. 
Zairia, 407. 
arborea, Erica, 510, 514. 
arborescens, Podocarpus milanjianus 
form, 510. 
arboreus, Zonitoides, 534. 
Archachatina, 482. 
arctilineata, Neritina, 158. 
Arctus, 43. 
arctus, Scyllarus, 2, 7, 8, 43. 
arcuata, Margarita, 420. 
Spatha, 420. 
arcuatula, Melania, 255. 
arcuta, Anodonta, 420. 
Aspatharia, 420. 
Ardea, 535. 
arenaria, Nyassella, 255. 
arenarum, Edgaria, 328, 590. 
Edgaria livingstoniana f., 328. 
Paramelania, 328. 
artetina, Chelidonopsis, 438. 
Chelidonura, 438. 
Arion, 472 
Arionide, 484. 
armatus, Planorbis, 131. 
armigerus, Planorbis, 131. 
arrosor, Dardanus, 45, 46 (Fig. 69), 47, 
48, 49. 
Pagurus, 45. 
Petrochirus, 35. 
Artemonopsis, 482. 
artini, Corbicula, 339. 
Arthroleptis, 472. 
Arthropteron, 412, 426. 
Arundinaria, 510, 514. 
Arvicolide, 479. 
Asolene, 167, 169. 
Aspatharia, 71, 75, 410, 411, 412, 418, 
428, 449, 540, 545, 558, 559, 560, 
568, 569, 578, 587, 597. 
asperata,. Mimosa, 542. 
Asphataria, 411. 
Aspidelus, 482. 
Assaminia, 242. 
Assemania, 242. 
Assimania, 242. 
Assiminea, 166, 222, 242, 313, 314. 
