— iG3 — 



renti (spec. nov.), Alcxandrina, Lavigeriana (spec. 

 iiov.), africana, Debaizei ; Physa Randabeli (spec. 

 nov.), Coulboisi (spec. nov.); Plaxorbis sudanicus, 

 Tanganikanus (spec. nov.), Ado\vensis, Monceti(spec. 

 nov.), Lavigerianus (spec. nov.), Bridouxianus (spec. 

 nov.); PLANORnuLA Tanganikana ; Neothauma Tanga- 

 nikanum, Bridouxianum, Giraudl, Servainianum, bica- 

 rinatum, Pelseneeri (spec. nov.), Jouberti (spec. nov.), 

 euryomphalus (spec. nov.), Vysseri (spec. nov.); 

 ViviPARA Brincatiana (spec. nov.), Bridouxiana (spec. 

 nov.); Cleopatra Guillemeti, Jouberti (spec. nov.); 

 Bythinia multisulcata (spec. nov.); Bridouxia Giraudi, 

 Villeserriana, costata, Reymondi; Baizea Giraudi; 

 Spekia zonata, Duveyrieriana, Grandidieriana, Came- 

 roni (spec. nov.), Giraudi, Ilaniyana, Reymondi; 

 Ampullaria Bridouxi (spec. nov.), ovata ; Mkladomus 

 Jouberti (spec. nov.), sinistrorsus; Leroya Bourgui- 

 gnati ; Tanganikia Fagotiana, opalina (spec. nov.], 

 Giraudi; Cambieria (nov. gen.)ruf"ofilosa,Maunoiriana, 

 ovoidea, Jouberti (sj^ec. nov.) ; Hauttecœuria Hamyaua, 

 Burtoni (spec. nov.), Moineti (spec. nov.), macros- 

 toma(spec. nov.), Giraudi, Milne-Edwardsiana, Char- 

 metanti (spec. nov.), soluta, Brincatiana (spec. nov.), 

 singularis, Jouberti (spec. nov.), Duveyrieriana, Rey- 

 mondi, Maunoiriana, Levesquiana ( spec. nov. ), Locar- 

 diana (spec. nov.), Lavigeriana ( spec. nov.), Servai- 

 niaua (spec. nov.), Cameroni (spec. nov.), pusilla 

 (spec, nov.), eximia, Cambieri, Bridouxiana (spcc. 

 nov.), minuta; Hylacantha Horei, longirostiis, Jou- 

 berti, Bourguignati; Limxotrochîjs Kirki, Thomsoni, 

 Giraudi, cyclostoma; Syrnolopsis lacustris, Ilamyana, 

 Grandidieriana, Anceyana, Giraudi, minuta; Giraudia 

 praeclara, Grandidieriana, Lavigeriana; Reymondia 

 Horei, Giraudi, Jouberti (spec. nov.), Monceti (spec. 



