XVI, Vitrina Draparnaud. 



Conspectus spederwn. 



A. Genuinae : 



i. europaeae §.1. Nr. 1—9. 



2. asiaticae, 



«. conlinentales §.2. — 10 — 16. 



fi. insularcs ....§. 3. — 1 7- 31. 



3. africanae, 



u. continentales §• 4- — 32 — 41. 



/?. insulares §.5.-42 — 46. 



4. australicae §■ 6. — 47 — 53. 



5. americanae §-7. — 54. 



6. patriae incertae §.8. — 55 — 56. 



B. Succinoideae (Sinipulopsis Beck *) §.9. — 57 — 61. 



§. 1. 

 1. V. pellucida (Helix) Hluller. 



T. convexiusculo-depressa, sublaevis, nitidissinia , peilucida, 

 beryllina; spira raediocris, prominula; sutura subcrenulata, coii- 

 color vel rufescens; anfr. 3 celeriter accrescentes , convexiusculi, 

 ultimus subtus latus, planiusculus, medio impressus, vix mem- 

 branaceo-marginatus; apertura obliqua (45"), lunato-rotundata, 

 aeque alta ac lata; perist. subinflexum, undique regulariter arcua- 

 tum. — Diam. maj. 6, min. iVs, alt. 3 '/2 mill. (Coll. Nr. 1, 

 Spec. hass.) 



Helix pellucida Miill. verm. II. p. 15. N. 215. **) 



*) Species liujus seclionis (forsan omnes americtmae?) teslae characteribiis 

 interniediae sunl inter Vitrinam et Succineam; animalia nondum observata 

 esse videntur. 



**) T. imperforata, depressiuscula , nitida, subvirescente; anfract. 3, — 

 Diam. Vg — 1 Va lin — Testa tenerrinia vitrea , pellucidissima . politissinia el 



