206 EXPLANATION 



Fig. 



22 Animal of HELIX VARIANS. 



23 HELIX MICRODONTA Desh., from Fer. pi. 70, fig. 13. 



24 " MOOREANA. 



PLATE LXXIX. 



1 SUCCINEA LINEATA. 



2 HELIX INFUMATA Gould. 



3 BULIMUS FLORIDIANUS Pfr., from original specimen. 



4 HELIX MILIUM Morse very highly magnified. 



5 a u " 



6 MELAMPUS COFFEUS Lin. var. ? 



7 SUCCINEA RETUSA Lea, from Phil. Tr. 1. c. pi. 19, fig. 86. 



8 MELAMPUS OLIVACEUS Carpenter. 



9 VITRINA ANGELICA Beck highly magnified. 



10 HELIX BULBINA Desh., from Fer. pi. 85, fig. 17. 



11 " NEMORIVAGA Val., from Voy. de la Venus pi. 1, fig. 1 a. 



12 BULIMUS EXCELSUS Gould, from Bost. Journ. 1857, pi. xiv. fig. 3. 



13 HELIX DEVIA Gould. 



14 SUCCINEA RUSTICANA Gould, from Ex. Ex. fig. 29. 



15 BULIMUS CALIFORNICUS Reeve, No. 378 increased one half. 



16 Animal of ALEXIA MYOSOTIS Drap. 



17 PUPA INCANA Binn., var. fasciata. 



18 SUCCINEA SALLEANA Pfr. from Chemn. 



19 ACHATINA CALIFORNICA Reeve, No. 115 natural size. 



20 TRUNCATELLA CALIFORNICA Pfr. greatly enlarged. 



21 HELIX MORMONUM Pfr., from type. 



22 Same as 20. 



23 CYLINDRELLA GOLDFUSSI Mke. twice the natural size. 



PLATE LXXX. 



1 BULIMUS ALTERNATUS Say, var. ? 



2 HELIX FRIABILIS. 



3 BULIMUS ALTERNATUS Say, from his drawing. 



4 SUCCINEA GRCENLANDICA Beck enlarged. 



5 " LINEATA. 



6 BULIMUS LIQUABILIS Reeve, No. 387. 



