1927] Pilsbry-Bequaert, The Aquatic Mollusks of the Belgian Congo 
Potadoma liricincta latior 
: 4 semperlirata 
dryas 
medjeorum 
ponthiervillensis 
(a9 ce 
6 6c 
superba 
ey ‘mut. wnculia 
mungwana 
tornata 
*Cleopatra hargeri (Kalungwesi R.) 
7 ne smitht (Chozi R. y 
langr 
cara 
dautzenbergz 
nsendweensis 
is * katangana 
bequaertt 
broeckt 
2 ‘var. zonata 
dupuist 
ii harta ® 
johnston 
ie “var. minor 
pirothi var. elata (?) 
schoutedent 
Corbicula radiata 
Egeria congica. 
‘<  tenuicula lang 
NUL 
Iphigenia curta 
be rostrata 
congo 
levigata 
lenza 
Spherium stuhlmanni 
Pisidium katangense 
Eupera mediafricana 
66 (Z 
6c 
éé 
4¢ 
a4 
ethertarum 
‘¢  bequaerta 
‘  sturanyt 
mut. spoliata 
Cyrenoida senegalensis | 
i rosea brevidentata 
569 
* Pharaonia”’ bourguignati (Mokaka) 
*“ Unio”’ choziensis (Chozi R.) 
*“ Zaria’ disciformis (Mokaka) 
Parreysia leopoldvillensis 
SY "2 mweruensis 
Celatura elegans 
= aequatoria 
mesafricana 
stanleyvillensis 
briarte 
stagnorum 
si of bomex 
rotula 
(?) araneosa 
poirrert 
putzeyst 
: sordida 
Aspatharia protcher 
“ chapint 
sinuata 
flava 
semicorrugata 
stuhlmanni 
w ssmanni 
3 bangalorum 
corneola 
Mutela rostrata 
‘<  garambe 
ae fs pretenwis 
lang 
mabilla 
wris 
Hy Chevalier: 
joubinr 
 - ferundo 
carrer 
_Etherva elliptica 
Congeria ornata 
The foregoing enumeration may eventually serve as a basis of com- 
parison with the malacological faunz of other Ethiopian river systems. 
We are not, however, prepared to do so at present, since it would require 
a critical study of the many described African species and of all published 
records, a task entirely outside the scope of this work and for which, 
