— 157 — 

 Habitat cum prœcedente. 



6. Hélix Gomerensis. 



T. imperforata, subdepressa^ tenuis, subdiaphana, ir- 

 regulariter slriata, sub lente minutissime granulata, ni- 

 tida, pulchre castanea, fasciis ^ ad k saturatioribus plus 

 minusve distinclis ornala, inlerdum Iuleo ad suturas 

 flammulata ; anjr. 4 parum convexi. Ullimus magniis , 

 superne carinalus, antice descendens; apertura trans- 

 verse ovalis, inlus nitida, violacescens ; peristoma simplex, 

 margine columellari dilatato, appresse reflexo. — Dtam. 

 maj. 22, min. 18, altit. 11 mill. 



Habitat cum prœcedentibus. 



HT. COTES OCCIDENTALES D'AFRIQUE. 

 7. Hélix inermis. 



T. umbilicala, orbiculalo-depressa, tennis., nitida^ 

 subdiaphana, albida, lems ; spira vix prominulaj anfr. 

 4 planulati; ultimus depressiis, sublus convexior ; umbi- 

 licus aperliis, pervius; apertura vix obliqua, depresse 

 lunaris ; peristoma simplex, aculiun^ rectum, margine co- 

 lumellari non dilatato. — Diam. maj. 6, min. 5 1/3, 

 altit. 4 mill. 



Habitat Sierra Leone. 



8. BULIMCS .îIthiops. 

 T. perforata, turrita, solidula, leviter striata, pallide 

 fulva, flammulis, in anfractibus intermediis distinctis, 

 rufis, in duobus ullimis confluentibus et saturate castaneis, 

 ornata ; spira turrita, apice obtusa; anfr. 9 convexius- 

 culi, superne levés, ultimus testœ 4/10 œquans j sutura 

 marginata, inferne regulariter et confertim pHcata^ 

 apertura fere verticalis, semi-ovalis, basi angulala, iutus 



