ADAMSIELLA 6$. 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 reflexiusculum, superne subangulatum. — Operc. 
. " . o . 
normale. — Long. 15, diam. 8'/, mill. Ap. intus 4'/,, cum 
limbo 6 mill. longa. (Coll. Nr. 124.) 
Turbo mirabilis Wood Ind. Suppl. t. 6. f. 22. 
Cyclostoma mirabile Gray in Wood suppl. p. 36. Nec Sow. 
E — Chen. ed. I1. 7N. 197. p.193. & l4- f. 17— 19. 
— mirabilis Desh. in Lam. hist. VIIL p. 371. N. 40. *) 
z 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. miramxaudia Adams. 283 
T. perforata, oblongo-conica, truncata, tenuis, minutissime 
reticulata, non nitens, albida, fusco seriatim maculata : maculis 
ad suturam majoribus, quadratis; anfr. superst. 4'/,—5 per- 
convexi, ultimus teres, non solutus; umbilicus angustissimus, 
vix pervius; apertura verücalis, 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, plano circumdata. — 
Long. 14, lat. 8 mill. — Habitat? (Desh. l. c.) 
**) Shell moderately elongate, ovate conie; 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- 
bilieus narrow, but extending through the truncate apex. Mean divergence 
about 50?; length 0,58, greatest breadth 0,42, least breadth 0,32 inch. 
(Adams l. e.) 
