<202 HELICINA §. 13. 14. 



tenuem, circumscriptum ; apertura vix obliqua, fere semicircu- 

 laris; perist. simplex, undique breviter expansum. — Operc. ? — 

 Diam. maj. 7, min. 6^4, alt. 5 mill. (Mus. Cuming.) 

 HcUcina riparin Pfr. in Proc. Zool. Soc. 1853. p. .53. 



— — Pfr. in Malak. Bl, I. 1854. p. 106. 



Habitat prope Calamar in ripa iluvii Magdalenae, Novac Gra- 

 nadae. 



119. H* nierdigera Salle. 



T, globoso-turbinata, tenuis, irregulariter et subdistan- 

 ter striata, sub tegumento lutoso rubicunda vel hyalina; 

 spira elata, conica, acutiuscula; anfr. 5^/2 convexiusculi, ulti- 

 mus utrinque convexior; columella brevis, basi extrorsum 

 subdentata, callum emittens tenuissimum ; apertura diagonalis, 

 subsemicircularis ; perist. simplex, breviter expansum, margine 

 basali sensim in denticulum columellae abeunte. — Operc. 

 tenue, nitidum, concolor. — Diam. maj. 6, min. 5, alt. 41/3 

 mill. (Mus. Cuming.) 



Hclicina mcrdigera Salle mss. 



— — P/r. in Proc. Zool. Soc. 1855. p. 102. 

 Habitat Veracruz reipublicae Mexicanae (Salle). 



120. Antoni Pfr. (Coll. 92. — Gray Phan. p. 273. 



— Oligyra Ad. Gen. p. 302.) Mon. p. 377. 



§. 14. 



121. Binuosn Pfr. {Ch. ed. nov. p. 70. t. 10. f. 7. 8. 



— fjruy Phan. p. 267. — Oligyra Ad. Gen. p. 302.) Mon. p. 369. 



122. H. Heioisae Salle. 



T. turbinato-globosa , solidula , levissime striatula , striis 

 spiralibus sub lente obsolete decussata, nitida, subunicolor 

 lutea, vel cingulo purpurascente, sursum diluto ornata, spira 

 convexo-conoidea, acuminata; sutura pallida; anfr. 6 convexi, 

 ultimus peripheria vix subangulatus, basi planiusculus, callo 

 nitido circumscripto munitus ; columella arcuata, filaris ; aper- 

 tura diagonalis, subsemicircularis; perist. tenuiusculum, expan- 

 sum, margine dextro leviter flexuoso. — Operc. ? — Diam. 

 raaj. 92/3-11, inin. 8V2— 91/2, alt. 7-8 mill. (CoII. Nr. 93.) 

 Helicina Heloisae Salle mss. 



— — Pfr. in Proc. Zool. Soc. 1856. p. 322. 



Habitat Cordova Status Verncruz (Salle). 



