97. Paludina zonata Hanley 



98. Navicella porcellana Lin. [ 



=e]liptica Lam. j 



99. Neritina Sandwichiensis Des. 



1 no ( caifra 



^' " (zigzaz Lam. 



101. „ Mauritiana Mor: 



101. X „ „ ? a spined variety 



102. „ longispina Eecluz 



103. Limnea Mauritiana Mor. 



rrrufescens Gray Lidian 



104. Physa Cernica Mor. 



105. „ Borbonica Sganzin 



106. Planorbis Mauritianus Mor. 



