HELICINA §. 10. 
387 
in callum tenuem, diffusum abiens; perist. simplex, margine 
supero late expanso, basali reflexo. — Operc. tenuiusculum, 
nitide castaneum. — Diam. maj. 15, min. 12 V a , alt. 9'/ a mill. 
(Coll. Nr. 64.) 
Helicina amoena Pfr. in Proc. Zool. Soc. 1848. p. 119. 
— — Chernn. ed. II. N. 73. p. 55. t. 8. f. 13—15. 
— \mrpureo-flava Morelet Test, noviss. I. p. 19. N. 46. *) 
Habitat Honduras; in provinciis Peten et Vera Paz (Morelet). 
106. M. goniostouia Sowerby. f 669 
T. subglobosa, laevis, solidula, obscure brunnea, prope 
suturam late albo-cingulata; spira depressiuscula, conica; aper- 
tura lata, ampla, Carina obtusa anfractus ultimi angulata; 
labrum deorsum productum, album. (Sow. 1. e.) — Diam. 
12, alt. 9 mill. (Ex ic.) 
Helicina goniostoma Sow in Beech, voy. Zool. p. 145. t. 38. f. 21. 
Habitat . . .? 
107. II. liatea Wesson, f 6 to 
T. orbiculata, convexa, solida, crassa, superne minutim 
striata, aurea; spira parum elata; anfractus ultimus globosus, 
medio subcarinatus ; apertura obliqua , semicircularis , intus 
nitide alba; columella alba, sinuata („epatee“); perist. simplex, 
liberum. — Diam. 5, alt. 3 lin. (Less. 1. c.) 
Helicina lutea Less. Voy. Coquille p. 350. t. 13. f. 10. 
Habitat Port-Dorey Novae Guineae. 
108. II. rotella Sowerby. | 67 1 
T. laevis, angulata, vix carinata; labium externum re- 
flexum; labium internum expansum; columella subangulata, 
(Sow.) — Diam. 11, alt. 7 mill. (Ex ic.) 
Helicina rotella Sow. Thes. N. 57. p. 12. t. 3. f. 135. 136. 
Habitat . . .? 
Obs. Iconi praecedentis persimilis videtur. 
*) T. orbiculato-depressa, conoidea, obtuse carinata, colore varia, saepius 
citrina , anfractu ultimo purpurascente ; anfr. 7 planulati , minute striati, li- 
neolis remotis concentricis impressi; columella brevi.ssima , callo subpromi- 
nulo, replicato, appresso munita; apertura triangularis, marginibus pallidiori- 
bus, reflexis, — Diam. maj. 15, min. 12 mill. (Morelet 1. c.j 
25 * 
