ZOOLOGY 451 



SuhuUnn riK-mhriemi!,, Smith, var. circumstriata, Martens (a). 



S. bicolutiiallaris, Martens {<i). 



S. pauciydra, Martens (c). 



Opeas svbvm-icosa, Martens (a). 



0. streptostaloiiles, Martens (b). 



0. cremdata, Smith (c). 



Geostilbin stiMmdnni, Martens (a). 



Family Cyclophorid.'E. 



Ci/clophorm (A/eridm) intermedius, Martens {b). 



The following species have been recorded from Lake Victoria 



Family Limn^id^. 

 Limncea debaizei, Bourguignat. 

 L. nyanscH, Martens. 

 Isidora trigona, Martens. 

 /. strigosa, Martens. 

 /. transversal is, ^Martens. 

 /. forskali, Ehrenberg. 

 Phi/sopsis ovoidea, Bourguignat. 

 Planorbis choanomi>halus, Martens. 

 P. sudanicus, Martens. 

 P. victorice, Smith. 

 AiKylus stuhlmanni, ^lartens. 



Melania tubercidata, Miiller. 



Family Melaniid.^. 

 Family Ampullariid.e. 



Amjndlaria ni/anzoi, Smith. 



A. ovata, Olivier. 



A. gordoui, Smith. 



A. latourvieuxi, Bourguignat. 



Lanistes schiveinfurthi, Martens. 



Family Yiviparid.e. 



Vivipara abj/ssinica, Martens. 



V. phthinotropis, Martens. 



V. rtcbicunda, Martens. 



V. trochlearis. Martens. 



V. costidata. Martens. 



V. meta, ]\Iartens. 



V. capillata, Frauenfeld. 



V. victorice, Smith. 



V. jiKunda, Smith. 



r. capmdes, Smith. 



V. ^cnicolor, Olivier. 



ClfiojMtra guillemei, Bourguignat. 



Bithi/nia hwnerosa, Martens. 



