INDEX 
rivularis, Ancylus, 149. 
Ferrissia, 149. 
Nyassia, 256. 
Physa, 135. 
robertsonii, Vivipara, 206. 
Viviparus, 206. 
robusta, Leander longirostris var., 25. 
robustum, Helichrysum, 511. 
robustus, Atilax, 4. 
roccatil, Subulina, 509. 
rochebrunet, Spatha, 420. 
rochebruniana, Moncetia, 427. 
rodhaini, Ledoulxia, 493. 
rohlfsi, Bulinus, 137. 
Phaysa, 137. 
rosea, Cyrenella, 375. 
Cyrenoida, 375, 376, 377, 569. 
Galatea concamerata var., 361. 
Unio burtont var., 395. 
roseotincta, Aspatharia droueti var., 414. 
Spatha droueti var., 414. 
rossi, Anopheles, 91. 
Rosthramus, 535, 536. 
rostralis, Unio, 397. 
rostrata, Grandiddieria, 397. 
Iphigenia, 370, 371, 372, 565, 569. 
Pl. XXX, figs. 1-10. 
Iridina, 430. 
Mutela, 410, 480, 432, 483, 545, 
508, 569. Pl. XX XIX, figs. 1-2. 
Mutelina, 431. 
rota, Io, 267. 
rothschildi, Grandidieria, 385. 
Unio, 385. 
Rotifera, 575, 585. 
rotula, Celatura, 75, 385, 404, 405, 
560,. 569. Pl XXX - figs: 
5-0. 
rotundata, Aitherva cailliaudi var., 450. 
Aspatharia, 422. 
Baizea, 310, 589. 
Grandidieria, 398, 588. 
Spatha, 422. 
Stanleya, 310, 311. 
roubaudi, Chelidonopsis, 439. 
Unio, 400. 
ruandensis, Ancylus, 156. 
rubens, Anodonta, 412, 422, 425. 
647 
Aspatharia, 411, 412, 413, 419, 420 
422, 423, 424, 425, 568. 
Spatha, 423, 424, 426. 
rubicunda, Galatea, 361. 
Paludina, 209. 
Vivipara, 209. 
rubicundus, Viviparus, 206, 209, 576. 
rubra, Galateia cumingii var., 362. 
Unio monceti var., 384. 
Viviparus unicolor var., 207. 
rubricata, Neritina, 158. 
rubricollis, Malimbus, 478. 
rubrotencta, Galatea, 363, 365. 
ruchetiana, Ampullaria, 176. 
Pila, 176. 
rudis, Littorina, 564. 
Pinna, 20, 23, 42. 
ruellani, Parreysia, 385. 
Unio, 385. 
Ruellania, 394. 
ruellaniana, Lavigeria, 326, 590. 
rufescens, Thapsia, 492, 503. 
rufipennis, Turdinus, 478. 
rufocincta, Anceya, 228, 289, 589. 
rufofilosa, Cambieria, 305. 
Tanganyicia, 302 (Fig. 58), 303 (Fig. 
59), 305, 589. 
Tanganytkia, 305. 
rufofilosus, Inthoglyphus, 303, 305. 
rufolirata, Cleopatra pirothi var., 292. 
rufus, Neocossyphus, 478. 
rugifer, Unio, 381, 385, 400. 
rugifera, Anodonta, 411, 414. 
Aspatharia, 414. 
rugosa, Achatina, 499. 
Bullinus contortus var., 135. 
Cleopatra, 292. 
rugosus, Bulinus contortus var., 135. 
Rumella, 307, 308, 582. 
rumrutiensis, Bulinus, 137. 
Physa, 137. 
runsoranum, Ptychotrema, 492, 503. 
runssorina, Helix, 515. 
ruppellii, Planorbis, 117. 
rutshuruense, Atoxon flavum, 503. 
rutshuruensis, Gulella, 503. | 
Halolimnohelix, 503. 
Pachnodus, 492, 503. 
