ADAMSIELLA §. 1. 
169 
decussata, minime scabra, diaphana, non nitens, pallidissime 
cornea, fasciis rufis subinterruptis et infra suturam simplicem, 
profundam maculis subquadratis rufis ornata; spira convexo- 
conica, breviter truncata; anfr. superst. 4 rotundati, ultimus 
penultimum vix superans; umbilicus apertus, pervius; apertura 
verticalis, subcircularis ; perist. album, duplex : internum adna- 
tum vel breviter porrectum, externum continuum, anfractui 
penultimo brevissime adnatum , undique aequaliter anguste 
expansum vel refiexiusculum, superne subangulatum. — Operc. 
normale. — Long. 15, diam. 8 V 3 mill. Ap. intus 47 3 , cum 
limbo 6 mill, longa. (Coll. Nr. 124.) 
Turbo mirabilis Wood Inch Suppl. t. 6. f. 22. 
Cyclostoma mirabile Gray in Wood suppl. p. 36. Nec Sow. 
— — Chemn. ed. II. N. 127. p. 123. t. 14. f. 17—19. 
— mirabilis Desh. in Lam. hist. VIII. p. 371. N. 40. *) 
— decussatulum Adams Contrib. to Conch. N. 1. p. 4. **) 
Choanopoma mirabile Gray Catal. Cycloph. N. 16. p. 51. 
Adamsiella mirabilis Pfr. Consp. N. 243. 
Habitat in insula Jamaica. 
2. A. miranda Adams. 283 
T. perforata, oblongo-conica, truncata, tenuis, minutissime 
reticulata, non nitens, albida, fusco seriatim maculata : maculis 
ad suturam majoribus, quadratis; anfr. superst. 4 f / 2 — 5 per- 
convexi, ultimus teres, non solutus; umbilicus angustissimus, 
vix pervius; apertura verticalis, subcircularis; perist. duplex: 
internum stricte porrectum , externum dilatatum , rectangule 
patens, concentrice striatum, superne auriculatum, ad anfractum 
penultimum et latere sinistro excisum. — Operc.? — Long. 17, 
*) T. turbinata , elongato - conica , basi profunde umbilicata, tenue et 
eleganter striata, albo-grisea ; zonis 3 fuscis , subarticulatis ornata ; anfr. 8 
convexissimis ; apertura circulari; limbo tenui, lato, piano circumdata. — 
Long. 14, lat. 8 mill. — Habitat ? (Desh. 1. c.) 
**) Shell moderately elongate, ovate conic; whitish, with brown spiral 
bands , which are more distinct on the lower whorls ; elegantly and finely 
decussated with numerous close -set transverse strong rounded raised lines; 
spire with convex outlines : apex truncate with the loss of two or two and one 
half whorls ; four and one half to five whorls remaining, convex, with a deep 
suture; aperture nearly circular; inner peritreme moderately produced and 
reflected ; outer peritreme moderately expanded, concentrically striated ; um- 
bilicus narrow, but extending through the truncate apex. Mean divergence 
about 50°; length 0,58, greatest breadth 0,42, least breadth 0,32 inch. 
(Adams 1. c.) 
