42 



PHYS.4. 



1029 Physa castaiicii 



1030 foiitinulis var. ? from Canada 



1031 rivalis, Helix, Muton and Rackett 



1032 Limnsea stagnalis 



1033 palustris var. ? from Canada. An for- 

 tius, L. Virginiana, Lam. ? 



1034 rufescens, Grmj. See Sovverbys' Genera 



of Shells, an L. acuminata ? Lam. 



1035 atiricularia 



1036 Tiinorensis 



1037 Paeifica, Helix Pacifica, Budgiit MS. 



From the South Sea Islands 



1038 ■ corrugata. Helix corrugata, Budgbi MS. 



From (JiMirgia 



1039 xuhglobosa 



MELAJSM. 



J 010 Melauia puiu;tata 



1011 subulata? 



1(W2 decoUata 



1043 hevigata ? From the iMatavai River, 



Otaheite 

 1044 amarula, (a) decortieata, (h) spira 



hreviore, spiiiis majusculis^ paucis 



1045 setosa, Sw. 



1046 spinulosa 



104" cariuifcra? 



1048 truncatula ? 



1048a inermis 



1049 



1050 



1051 



1052 



1053 



1054 



