PLANCHE III 
I . Eucyclus Bathis [d'Orbigny]. 
Grand, natur. 
Baj. 
Pages 
52 
2-3. Littorikopsis angulifera [Lamarck]. 
id. 
Viv. 
61 
4 . Littorinopsis Tournoueri Cossmann. 
Gr. .3/2 
Mioc. 
61 
5 . id. mut. BüRDi< 4 ALiCA Cossmann. 
Gr. 3/2 
Mioc. 
61 
6 . LiTTORiNA ARiESENSis Fontaiines. 
Gr. 3/2 
Plioc. 
66 
7-10. Littorinopsis (Touzinia) Prevostina [lîasterot]. 
Gr. 3/2 
Mioc. 
62 
11-12. Littorinopsis (Touzinia) terebellata [NystJ. 
Grand, natur. 
Plioc. 
62 
i 3 -i 4 . Littorina littorea [Linné]. 
id. 
Viv. 
65 
i 5 -i 8 . Gouetina MUMiOLA [Gossman]. 
Gr. 4/1 
Eoc. 
60 
19. Littorina mucronata Cossm. et Pissarro. 
Gr. 2/1 
Eoc. 
65 
20. Littorina (Prosi/ienodon) monodonta Desh. 
Gr. 2/1 
Eoc. 
67 
21-22. Littorina littorea [Linné]. 
Grand, natur, 
Plioc. 
65 
23-24. Littorina (Melaraplie) neritoides [Linné]. 
Gr. 3/1 
Pleist. 
67 
25 - 2 ( 5 . Risella (Riselloidea) Bxjocicx Cossmann. 
Gr. 3/2 
Baj. 
76 
27-29. Risella minuta [Desh.]. 
Gr. 3/1 
Eoc. 
74 
3 o. Tectarium bullatüm [Mart.]. 
Grand, natur. 
Viv. 
71 
3 1 - 32 . Dumasella pretiosa Cossmann. 
qr. 5/1 
Eoc. 
72 
33 - 34 . Dumasella gymna [Cossmann]. 
Gr. 5/1 
Eoc. 
73 
35 - 36 . Nina Cumingi jPhilippiJ. 
Gr. 5/2 
Viv. 
80 
37. Nina coislinensis [Cossmann]. 
Gr. 3/1 
Eoc. 
8 r 
38-39. Risella (Tanaliopsis) spinigera [Zekeli]. 
Gr. 3/2 
Tur. 
77 
4 o. Fossarus (Isapis) eothinos Tate. 
Gr. 2/[ 
Eoc. 
90 
4 1-42. Fossarus ambiguus [Linnéj. 
Gr. 3/1 
Pleist. 
87 
43 - 45 . Fossarus (Isapis) fenestratus Carpenter. 
Gr. 3/1 
Pleist. 
90 
46-47. Fossarus (Phasianema) costatus [Brocchi]. 
Gr. 3/2 
Plioc, 
89 
