TROCHATELLA §. 1. 2. 
329 
nitida, citrina vel lilacea, maculis albis marmorata, ad suturam 
sanguineo - fasciata ; spira conica, mucronata; anfr. 7 celeriter 
accrescentes , planiusculi , ultimus magnus , antice deflexus, 
medio subangulatus ; columella subverticalis , plana; apertura 
obliqua, subtriangulari-lunaris, intus nitida, citrina vel brunnea ; 
perist. simplex , marginibus callo tenuissimo junctis , dextro 
sinu profundo emarginato , basali subefFuso , cum columella 
angulum rectum formante. — Operc. testaceum, semiovale; 
extus album, excavatum , intus flavidum , striatum , margine 
columellari incrassato. — Diam. maj. 30, min. 23, alt. 21 
mill. (Coll. Nr. 7.) 
Helicina regina Morelet Test, noviss. p. 19. N. 43. *) 
— multistriata Velasquez mss. in Mus. Cuming. 
— — Chemn. ed. II. N. 89. p. 65. t. 9. f. 37. 38. 
— maculosa Newcomb mss., Jay Catal. 1850. p. 261. N. 6068. 
Habitat ad montes Guajaibon insulae Cubae (Morelet, Poey). 
Obs. Variat magnitudine et sinu peristomatis magis minusve distincto, 
in adultis semper profundo. 
§. 2 . 
2. T* viirginen I^ea. 547 
T. turbinato-globosa, crassiuscula, concentrice et confertim 
lirata, opaca, albida; spira turbinata, mucronata; anfr. fere 7 
vix convexiusculi , ultimus rotundatus; apertura perobliqua, 
integra, subsemicircularis ; columella recedens, excavata, basi 
in laminam subliberam terminata; perist. campanulato - expan- 
sum, intus incrassatum, margine acutum. — Operc. testaceum, 
intus pallide rufulum, extus albidum, margine elevato cinctum, 
caeterum granulis alte elevatis obsitum. — Diam. maj. 23, 
min. 18, alt. 19 mill. (Mus. Cuming.) 
Helicina virginea Lea Observ. I. p. 162. t. 19. f. 58. **) 
*) T. turbinata, solida, strigis distantibus parum eminentibus rugosius- 
cula, subtus radiatim decussata, flava vel rubella, saepius nubeculata, ad 
basin albescens; anfr. 8 planulati, apice acutissimo ; apertura oblongo -irre- 
gularis , intus nitida , concolor ; columella planulata , callosa , brevis, angu- 
latim flexa ; perist. acutum, validum, anterius attenuatum, latere infero sinuoso, 
supero profunde emarginato. — Diam. maj. 30, min. 28 mill. (Morelet 1. c.) 
**) T. subconica, apice acuta, subtus inflata, crassa, transversim multi- 
sulcata; anfr. senis ; spira elevata; apertura valde dilatata; labro effuso ; colu- 
mella subcallosa. — Diam. 0,8; length 0,8 inch. — It is nearly of the same 
diameter as H. pulcherrima. It differs from it altogether in form and 
colour. It is remarkable for its acutely pointed apex, its milk-white appear- 
