42 



833 Clausilia, 80 species, named 



834 Ditto ditto 



835 Megaspira elata and elatior, and 33 species of Clausilia, 



named 



836 Lymnsea, 20 named species, and Physa 15 



837 Amphibulina patula, Omalonyx unguis, and 5 species of 



Chilina 



838 Amphipeplea Cumingii 2, Clyptophysa Petitii 3, and 



Ancylus, 4 species 



839 Planorbis, 24 species, and fine Vitrina, 4 species 



840 Vitrina superba. Welwitchii, gigas, monticolor, prsestans, 



Sowerbyana, and others 



841 Simpulopsis obtusa, Boissieri and 3 species, Succinea 



putamen, crocata, and 6 others 



842 Ceres oeolina and salleana, both very fine 



843 Proserpina, tray of 4 species, and Stoastoma, 8 species, 



named 



844 Gastrodonta ensifera, Hemicyclostoma pisum 3, 



Lucidella 2 species, and Trochatella 14 species, all 

 named, in all 34 shells, a fine lot 



845 Bourciera 2 species, Schiascheila 2 species, and Alcadia 



10 species, named 



846 Helicina, tray of 42 species, named 



847 Ditto, 40 species, named 



848 Ditto, 28 species, named 



849 Macroceramus, 16 species 



850 Partula, 38 species, mostly named 



851 Amastra Kauaiensis, very rare 



852 Achatinella, 50 species, named 



853 Ditto ditto 



854 Ditto, 42 species, named 



855 Helix incerta, lima, varians, velutina and musicola, all 



from Porto Kico 



856 Helix sulcifera, leucostyla, mucronata 2, argentea 2, 



Mauritiana, rufa 2, Rawsoni 2, and rufocincta 2, all 

 from Mauritius 



