206 Binney on Terrestrial Mollusks. 



Fig. 



22 Animal of Helix varians. 



23 Helix microdoxta Desh., from Fer. pi. 70, fig. 13. 



24 " MOOREAXA. 



PLATE V. 



1 SUCCINEA LINEATA. 



2 Helix ixfumata Gould. 



3 BuLiMUS Floridiaxus Pfr., from original specimen. 



4 Helix milium Morse — very highly magnified. 



g ii (( (( u u a 



6 Melampus coffeus Lin. var. ? 



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



8 Melampus olivaceus Carpenter. 



9 ViTRiNA AxGELiCiE 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 eusticana Gould, from Ex. Ex. fig. 29. 



15 BuLiMUS Californicus Reeve, No. 378 — increased one half. 



16 Animal of Alexia myosotis Drap. 



17 Pupa ixcaxa Binn., var. fasciata. 



18 SucciXEA Salleaxa Pfr. from Chemn. 



19 Achatlna Californica Reeve, No. 115 — natural size. 



20 Truncatella Califorxica Pfr. — greatly enlarged. 



21 Helix Mormoxuim Pfr., from type. 



22 Same as 20. 



23 Cylixurella Goldfussi Mke. — twice the natural size. 



PLATE VL 



1 BULIMUS ALTERXATUS Say, var. ? 



2 Helix friabilis. 



3 BuLiMUS ALTERNATUS Say, from his drawing. 



4 Succinea Gr(exlaxdica Beck — enlarged. 



5 " LIXEATA. 



6 BuLiMus LiQUABiLis Rccvc, No. 387. 



