IIELIX §. 65. . 171 



1066. H. velutina Lamarck. 



T. perforata, depresse orbiculato-convexa, tenuis, minu- 

 tissime subreticulatim striata, epidermide lutescente in larainas 

 breves subbullatim elevata induta, sericeo-nitens ; spira vix 

 elevata, obtusa; sutura profunda; anfr. 5 convexi, lente accre- 

 scentes, ultimus non descendens, tumidulus, basi subplanu- 

 latus; apertura vix obliqua, lunaris; perist. simpiex, acutum, 

 margine columellari reflexo, subincrassato, perforationem semi- 

 occultante. — Diam. maj. 13, min. Iiy^, alt. 8 mill. (Coll. 

 Nr. 524.) 



Helix velutina Lam., Pfr. Mon. I. p. 193. n. 499. III. p. 149. 



n. 792. 



— — Chemn. ed. nov. Helix II. p. 269. 



— — Shuttl. Diagn. n. Moll. Nr. 6. p. 131. 



— — Reeve Conch. ic. n. 1299. t. 187. 



— — (Phaedra) Pfr. Vers. p. 134. 



Habitat in insula Portorico. 



Obs. Superficies sub tactu quasi velutina, sed non pilosa, ut in 

 Chemn. nova edit. ex Delesserti opere delineata est. 



1067. H. serta Albers. 



T. subobtecte perforata, globoso-depressa, tenuis, rugulosa, 

 plicato-striata, nitidula, corneo-flavida, strigis pallidioribus et 

 fascia interrupta fusca ornata; spira parum elevata, obtusula; 

 anfr. 4 convexiusculi, celeriter accrescentes, ultimus antice bre- 

 viter descendens, basi convexus; apertura diagonalis, lunato- 

 rotundata, intus submargaritacea; perist. sublabiatum, marginibus 

 conniventibus, dextro recto, basali breviter reflexo, columellari 

 perdilatato, albo, fornicatim reflexo, umbilicum fere tegente. — 

 Diam. maj. 16, min. 13, alt. 10 mill. (Coll. Albers.) 



Helix serta Albers in Malak. Bl. I. 1854. p. 215. 



— — Pfr. Novit. conch. I. p. 45. n. 78. t. 12. f. 8 — 10. 



— — (Phaedra) Pfr. Vers. p. 134. 



Habitat in iusulis Promontorii Viridis. 



Obs. Primo aspectu H. advenam WB. in mentem vocat. 



1068. H. ToUini Albers. 



T. obtecte subperforata, globoso-depressa, lenuiter striata, 

 sub lente striis exilissimis spiralibus utrinque decussatula, niti- 

 dula, diaphana, fusco-cornea; spira brevissime conoidea; sutura 

 impressa, submarginata ; anfr. 5 convexiusculi , ultimus rotun- 

 datus, non descendens; apertura verticalis, late lunaris; perisl. 

 tenue, marginibus vix convergentibus, dextro recto, columellari 



