INDEX TO VOLUME IV. 



Achatina bullata, 138. 



Californica, 26. 



fasciata, 138. 



flammigera, 138. 



gracillima, 135, 138. 



lubrica, 138. 



lubricoides, 138. 



pellucida, 138, 175. 



picta, 138. 



rosea, 139. 



solida, 138. 



striata, 139. 



subula, 139. 



Texasiana, 139. 



truncata, 139. 



Vanuxemensis, 139. 



virginea, 138. 

 Agatina variegata, 138. 

 Alexia mj'osotis, 172. 

 Anchistoma tliyroides, 54. 

 Aplodon nodosum, 152. 

 Arion empiricorum, 31. 



foliolatus, 31. 



hortensis, 31. 

 Auricula bidentata, 157. 



biplicata, 157. 



cingulata, 161. 



coniformis, 163. 



cornea, 157. 



denticulata, 172. 



Floridiana, 165. 



Jaumei, 157. 



monile, 166. 



nitens, 169. 



obliqua, 168. 



oliva, 161. 



ovula, 163. 



pusilla, 169. 



Sayii, 172. 



stenostoma, 161. 

 Blauneria heteroclita, 177. 



pellucida, 175. 

 Bulimus acicula, 137. 



alternatus, 126. 



Bulimus Biiineyanus, 128 

 Californicus, 24. 

 chord atus, 25. 

 coniformis, 163. 

 confinis, 130. 

 dealbatus, 126, 130. 

 decollatus, 134. 

 Dormani, 132. 

 elatus, 24. 

 excelsus, 24. 

 exiguus, 137, 178. 

 fallax, 136. 

 fasciatus, 137. 

 Floridianus, 134. 

 Gossei, 135, 137. 

 gracillimus, 134. 

 harpa, 135. 

 hordeanus, 145. 

 hortensis, 134. 

 Humboldti, 25. 

 Kieneri, 137. 

 lactarius, 126. 

 Laurentii, 25. 

 Liebmanni, 128. 

 liquabilis, 130. 

 lubricus, 137. 

 marginatus, 136. 

 Mariffi, 128. 

 Mexicanus, 25. 

 monile, 166. 

 multilineatus, 132. 

 mutilatus, 134. 

 nitelinus, 126. 

 obscurus, 137, 145. 

 octona, 137. 

 ovulus, 169. 

 patriai-clia, 129. 

 physoides, 131. 

 Schiedeanus, 129. 

 serperastrus, 126. 

 striatus, 137. 

 subula, 134. 

 sufflatus, 25. 

 vegetus, 25. 



