92 



W. K obel t 



Familie Melaniidae. 



Genus Melawia Lam. 

 amarula Lam. 

 bicarinata Grateloup 

 commt rsoni Mordet 

 cornuta Lea 

 decollata Lam. 

 duisabonis ( rrateloup 

 tuberculato Müll. 



Genus Tircna Lam. 



audeberti Mousson 

 fluminea Gmelin 

 johnsoni E A. Smith 

 lamard i Pot. <S Michaud 

 lamärei J!n>t 



mudagascarit nsis < Irateloup 

 sinuosa Pliilippi 

 spinosa Lamarck 



Rhipidoglossa. 



Familie Neritidae. 



Genus Navicella Lam. 

 porcellana Lam. 



Genus WeriMna Lam. 



iiiiriiiiliiin Lam. 

 bengalensis ( Ihemnitz 

 brevispina Lam. 

 fulgetrum Rve. 



knorrii Rechiz 

 longispina Recluz 

 lugubris Lam. 

 ma<2< cassina Morelel 

 pulligi ra Lam. 

 rangicma Recluz 

 sandalina Recluz 

 semiconica Lam. 

 spiniperda Morelet 

 tnrrita Chemnitz. 



Lamellibranchia. 



Familie Najadea. 



Genus Um^o Retzius. 

 madagasca.ru nsis Sganzin 



Genus Aetheria. 

 elliptica Lam. 



Familie Cyrenidae. 



Genus Corhicula Mühlfeldt. 

 madagascariensis E. A. Smith 



sikurar AllCey. 



Familie Sphaeriidae. 



Genus TAmosvtxa Cless. 

 /< rruginea E. A. Smith 

 madagascariensis Tristr. 



Genus PisiMum C. Pfr. 

 johnsoni E. \. Smith. 



