188 HELICINA §. 6. 



Gebiss cL Schu. p. 80. t. 5. f. 7. — Idesa .^^rf. Gcii. 

 p. 304. — //. rotelima l'ot. et iVic/i. — //. //oni- 

 hccku Phil. — /S. //. cdsfanen (louild. — Oligyra 

 Morch Yold. p. 43. n. 852.) Mon. p. 355. 



48. H- HJalninrsoni Pfr. 



T. conoideo-depressa , solidula , laevigata , nitidula, fulva, 

 ad suturam et prope aperturam purpurascens ; spira convexa, 

 submucronata ; anfr. 4 planiusculi , sensim accrescentes , ulti- 

 mus depresso-rotundatus, juxta columellam arcuato-rimatus ; 

 apertura fere diagonalis, subsemiovalis ; columella rectangule 

 a basi descendens, subtorta, vix recedens, callum emittens 

 tenuem, circumscriptum; perist. obtusum, luteo-limbatum, mar- 

 gine dextro leviter antrorsum arcuato, — Operc. tenue , ful- 

 vidum. — Diam. maj. 8, min. 7, alt. 5 mill. (Coll, Nr. 59.) 

 Hclicina Hjalmarsoni Pfr. in Malak. Bl. III. 1856. p. 50 



— — Pfr. Novit. conch. I. p. 87. n. 150. t. 23. f. 28— 31, 



Habitat in insula Portorico, ubi inter Arecibo et Ponce legit 



Hjalmarson. 



* 



49. nitida Pfr. (Coll 60. — Gray Phan. p 257. — 

 Idesa Jd. Gen. p. 304. — Ppr. in Mal. Bl. 1856. 

 p 144. — //. ortncidata Sotv.?) Mon, p. 356. 



50. H* glabra Croiiid» 



T. conoideo- depressa , tenuis, glabra, nitida, pellucida, 

 incarnata ; spira conoidea, acutiuscula ; anfr. ^Vo vix convexius- 

 culi, ultimus latus , rotundatus ; apertura obliqua, subtriangu- 

 lari-semiovalis ; columella brevis, subverticalis, basi denticulum 

 acutum formans, callum retrorsum emittens tenuissimum ; pe- 

 rist. simplex, rectum , margine supero subrectilineari , basali 

 antrorsum arcuato. — Operc. praecedentis. — Diam. maj. GV^? 

 min. 51/0, alt. 4^3 niill. (Coll. Nr. 61.) 



//elicina (jlabra (routd in Proc. Bost. Soc. I. p. 138, teste Poey. (^v^^-- 



— — Pocy Memor. II. p. 6. n. 215. 



— — Pfr. in Malak. Bl. 1856. p. 145. 



Habitat in insulae Cubae regione boreali. 



Obs, Differt a praecedente spira ehitiore et margine basali peristo- 

 matis (nec supero) antrorsum arcuato. 



* 



51. cornea Sow» -J- ((•'raij Phan. p. 258. — Idcsa 



Jd. Gen. p. 304.) Mon. p. 356. 



52. rU8tica Pfr. (Coll. 62. — (^ray Phan. p. 258. — 



Idcsa Jd. Gcn. p. 304. — //, paUida Pfr. olim.) - - 357. 



