204 EXPLANATION 



Fig. 



29 Melampus pusillus Gmel. 



30 Melampus Floridianus Shuttl. 



31 Enlarged view of bead of Helicina tropica Jan. 



32 Caryciiium exile Lea, reduced view of aperture from Sill. Journ. 



42 1. e. 



33 Alexia myosotis Drap. 



34 Leuconia Sayii Kust., from Chemn. pi. 6, fig. 16. 



PLATE LXXVI. 



1 Helix acutedentata. 



2 " LoisA. 



3 " AREOLATA Sowb. var. from Chemn. pi. 36, fig. 13. 



4 " ARROSA Gould. 



5 " ANACHORETA. 



6 " CULTELLATA Thomson. 



7 " Newberryana. 



8 " Pandor.e Forb., from Proc. Zoiil. Soc. 1850, pi. 9, fig. 3 b. 



9 " DuPETiTHOUARSi Desh., from Mag. Zool. 1841, pi. 30. 



10 " LEVIS Pfr., from Chemn. pi. 36, fig. 16. 



11 " AREOLATA Sowb., from Chemn. pi. 36, fig. 10. 



12 " Kelletti Forb., from Zool. Proc. 1850, pi. 9, fig. 2 b. 



13 " ARBORETORUM Val., from Voy. de la Venus, pi. 1, fig. 3 a. 



PLATE LXXVIL 



1 Enlarged view of epidermis of Helix barbigera Redfield, from 



N. Y. Lye. vi. pi. 9, fig. 7. 



2 Helix barbigera Redfield, from N. Y. Lye. vi. fig. 4, 5. 



3 " RdiMERi Pfr. 



4 " aspersa Mlill. 



5 " DissiDENS Desh., from Fer. pi. 84, fig. 1. 

 6-7 " MixuTissiMA Lea — much enlarged. 



8 " Strongylodes Pfr., from original specimen. 



9 " ASTERiscus Morse — very highly magnified. 



10 " Clarkii Lea — twice the natural size. 



11 " Cooperi — slightly enlarged. 



12 " pustule Fer., from pi. 50, fig. 1. 



