386 
Ketla, Grays). 4 EE 
Leioceras, Hyatt. . If 
Leioderma, Conrad. IT 
Leiodomus, Swains. III 
Teiomya, A. Ad: ’. ‘TEL 
Leiopteria, Hall. . III 
Leiopyrga, A.Ad:. FL 
Leiorhinus, Gabb. . IT 
Leiorhynchus, Hall. III 
Leiosolenus, Carp. IIT 
Leiostoma, Swains. II 
Leiostraca, H. & A. A. II 
Tyeiostracus, Alb. III 
Leiostyla, Lowe. . III 
Leiotrochus, Conr. IT 
Lembulus, Risso. . IIT 
Lementina, Gray. . ITI 
Lemniscia, Lowe. . III 
Lenticula, Held. . III 
Lentillaria, Schum. IIT 
Toeoniae -Gray.r? >.) 1 
Lepetas Gray. -22°° 3?) VE 
Tiepetella, Verrill. . > Tl 
Mepetiize.: Sac! eo oe bD 
Lepetopsis, Whitf. 1 
Lepidopleurus, Risso. II 
cc 66 
ce 6c me 
Lepidoradsia, Carp. IT 
Leproconcha, Giebel. IIT 
Leptachatina, Gould. IIT 
Leptena, Dalm. . III 
6c be 
Leptena, King. . III 
Leptznalosia, King. III 
Leptienulopsis, Hpt. III 
Leptagonia, M’Coy. III 
Leptarionta, C. & F. III 
Leptaxis, Lowe. . III 
Leptesthes, Meek. . III 
Leptinaria, Beck. . III 
Leptobolus, Hall. . III 
Leptobyrsus, C. & F. III 
Leptocardia, Meek. III 
Leptochiton, Gray, ME 
Leptocelia, Hall... III 
INDEX. 
PAGE 
243 | Leptoconchus, Rup. II 
_ Leptoconus, Swains. IT 
| Leptodesma, Hall. . III 
Leptodomus, M’Coy. III 
Leptolimnea, Swains. III 
Leptoloma, Albers. III 
Leptomaria, Desl. . II 
Leptomerus, Albers. III 
Leptomya, A. Ad.. III 
Leptomya, Conr. . III 
| Lepton; Turton... . If 
| Leptonotis, Conrad. II 
| Leptonyx, Carp." 1). °E 
| Leptoplax, Carp. . II 
| Leptopoma, Pfeiffer. IT 
| Leptosiphon, Fischer. IIT 
| Leptospira, Swains. III 
Leptosolen, Conrad. III 
| Leptoteuthis, Meyer. IT 
9 | Leptothyra, Carp. II 
Leptoxis, Raita. >..2l 
| Lesperonia, Tourn. II 
| Lestoteuthis, Verrill. IT 
Letourneuxia, Bourg. IIT 
Leucochila, Martens. III 
| Leucochiloides, Pfr. IIT 
Leucochroa, Beck.. III 
Leucoma, Romer. . III 
Leuconia, Grays (2) Et 
| Leuconyx, H. & A. Ad. II 
66 
a i 
Leucoparia, Mayer. III 
Leucoptychia, Crosse. II 
Leucorhynchia,Crosse. IT 
Leucostoma, Swains. IT 
Leucotznius, Albers. IIT 
Leucotina, A. Ad... II 
Leucotis, Sowb. . II 
| Leucozia, Dybowski. II 
| Leucozonia, Gray.. II 
| Levantina, Kobelt. III 
Levenia, Grays 2. Tl 
Levifusus, Conrad. II 
Lewisia, Chitty. . II 
Lewisiella, Stoliczka. IT 
| Lhotelleria, Bourg. II 
eT 
