200 
HELICINA §. 12. 
convexiusculi , ultimus rotundatus , fascia peripherica pallida 
saepe cinctus ; columella brevis, vix recedens, basi leviter tu- 
ber cul at a, callum emittens tenuem, diffusum; apertura obliqua, 
subsemicircularis ; perist. subcallosum , breviter expansum, 
margine basali cum tuberculo columellae subangulatim juncto. 
— Operc. tenuiusculum, concolor. — Diam. mai. T 1 /*, min. 
62/3, alt. 6 mill. (Coll. Nr. 88.) 
Oligyra orbiculata Say 1857. 
Helicina orbiculata Blainv., Pfr. Mon. p. 375. n. 80. 
— — Chemn, ed. nov. p. 74. t. 10. f. 32. 33. 
— — Gould in Binn. Terr. Moll. II. p. 352. t. 73. t. 74. f. 3. 
— — Gray Cat. Phan. p. 272. 
~ — (Oligyra) H. et A. Adams Gen. II. p. 302. 
— - rubella Green in Doughty’s Cab. Nat. Hist. II. p. 292 teste 
Gould. 
— — Binn . Terr. Moll. HI. t. 74. f. 1 ? 
Habitat in Florida, Alabama, Georgia. 
112. H. flobuloga Orbl^ny. 
T. depresso-globosa , tenuis, subtilissime striatula , niti- 
dula, alba, plerumque zonis rufis vel virenti-luteis superne 
ornata; spira convexo - conoidea ; anfr. 5 — 6 convexiusculi, 
ultimus inflatus ; columella brevis, simplex, leviter arcuata; 
apertura obliqua, subsemicircularis, intus concolor; perist. 
tenue, breviter expansum, margine supero subsinuato. — Operc. 
membranaceum, pallide succineum. — Diam. mai. 8, min. 6 2 /,. 
alt. 5 mill. (Coll. Nr. 89.) 
Helicina globulosa Orb., Pfr. Mon. Pneum. p. 365. n. 58. 
— — Gray Cat. Phan p. 264. 
— — H. et A. Adams Gen. II. p. 302. 
“ — Pfr • in Malak. Bl. III. 1856. p. 146. 
— vittaia Gould in Jay Catal. 1850. p. 262. 
Habitat in insula Cuba; Punta San Juan de Jos Perros 
(Gundlach). 
113. M. elongatti Orblgny. 
T. elongato-conica, solidula, sublaevigata, oblique rugoso- 
malleata, nitidula, luteo-albida; spira elevata, apice acuta; 
sutura impressa ; anfr. 7 4 / 2 vix convexiusculi , ultimus rotun- 
datus, basi spiraliter subsulcatus; columella breviter recedens, 
callum emittens semicircularem ; apertura parum obliqua, sub- 
semicircularis; perist. acutum, medio dilatatum, late patens, 
superne et prope columellam angustatum. — Operc. solidum, 
