IIELICINA §. 10. 
391 
11<). II. maculata Sowerby. f 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'/. 2 mill. (Ex ic.) 
Helicinn maculata Sow. Thes. N. 32. p. 7. t 3. f. 131. 
Habitat in America meridionali. 
* * 
h 
117. H. substriata CJi*ay. f 680 
T. depresso - ovata , lutescenti - albida , subcarinata, supra 
convexa, supra distanter spiraliter substriata, subtus subcon- 
vexa , laevis ; perist. incrassatum , reflexum , (albidum ?) , colu- 
mella labiisque incrassatis, callosis, albidis (?). (Gray.) — 
Diam. 8, alt. 6 mill. (Ex ic.) 
flelicina substriata Gray in Zool. Journ. I. p. 66. t. 6. f. 4. 
— — Desk, in Lam. hist. VIII. p. 160. N. 9. 
— — Sow . 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 occidentali. 
118. II. convexa IPffr. 6 8i 
T. convexo-orbiculata, solida, laevigata, nitida, alba; spira 
fornicata , mucronuiata ; anfr. 4 '/. 2 , ultimi 2 convexiusculi , ul- 
timus obsoletissime angulatus, antice vix descendens; apertura 
integra , obliqua , semilunaris ; columella bre viter arCuata , re- 
trorsum in callum crassum, concolorem abiens; perist. incras- 
satum, breviter expansum, margine basali a callo columellari 
incisura levissima separato. — Operc. ? — Diam. maj. 
min. 5%, alt. 4 ! / 2 mill. (Mus. Cuming.) 
Heitcina convexa Pfr . in Proc. Zool. Soc. 1848. p. 120. 
— — Chemn, ed. II. N. 70. p. 53. t. 9. f. 9. 10. 
Habitat . . .? 
119 H. minuta Sowerby. 682 
T. conoideo-depressa, striata, rubra vel straminea; spira 
subcon vexa , acuminatiuscula ; anfr. 4 subplani, ultimus paulu- 
