HELICINA $. 10. 391 
116. Hi. maculata Sowerby. 1 679 
T. trapezoidea, subangulata, supra infraque conica, laevis, 
tenuis, rubro-fasciata et maculata; labium externum reflexum, 
subexpansum, ad basin columellae tenue; columella subcallosa, 
ad basin attenuata; operculum corneum. (Sow.) — Diam. 9, 
alt. 6'/, mill. -(Ex. 16.) 
Helicina maculata. Som. 'Thes. N. 32. p. 7. t. 3. £. 131. 
Habitat in. America meridionali. 
* * 
!117. Hi. substriata Gray. 680 
T. depresso-ovata, lutescenti- albida, subcarinata, supra 
convexa, supra distanter spiraliter substriata, subtus subcon- 
vexa, laevis; perist. inerassatum, reflexum, (albidum?), colu- 
mella labiisque incrassatis, callosis, albidis (?). (Gray.) — 
Diam. 8, alt. 6 mill. (Ex 1c.) 
Jlelicina substriatla Gray in Zool. Journ. I. p. 66. t. 6. f. 4. 
— — Desh. in Lam. hist. VIII. p. 160. N. 9. 
-— — Som. 'Thes. t. 1. f. 22. (Ex Gray.) 
-— — Chemn. ed. II. N. 92. p. 67. t. 9. f. 30. (Ex Gray.) 
Browne Jamaic. t. 40. f. 4.  Cochlea n. 14? 
Habitat in. India occidental. 
i18. Hi. eomvexo ER'fr. 681 
T. convexo-orbiculata, solida, laevigata, nitida, alba; spira 
fornicata, mucronulata; anfr. 4'/,, ultimi 2 convexiusculi, ul- 
timus obsoletissime angulatus, antice vix descendens; apertura 
integra, obliqua, semilunaris; columella breviter areuata, re- 
trorsum in callum crassum, concolorem abiens; perist. incras- 
satum, breviter expansum, margine basali a callo columellari 
incisura levissima separato. —  Operc.? — Diam. maj. 6'/. 
min. 53/, alt. 4'/, mill. (Mus. Cuming.) 
Helicina convexa Pfr. in Proc. Zool, Soc. 1848. p. 120. 
— — . Chemn. ed. YI. N. 70. p. 53. t. 9. f. 9. 10. 
FIabitat^- 4 
119. Hi. minuta Sowerby. 682 
T. conoideo-depressa, striata, rubra vel stramünea; spira 
subconvexa, acuminatiuscula; anfr. 4 subplani, ultimus. paulu- 
