248 
TUDORA §. 1. 
Cyclostoma maritirhum Chemn. ed. II. N. 275. t. 38. f. 5. 6. 
— Petr arum Rang in sched. Cuming. 
Tudora? maritima Pfr. Consp. N. 362. 
/?. -Testa majore, pallida, plicis validioribus, paulo distantioribus ; long. 15 1 /.,, 
diam. 6 j / 3 mill. (Mus. Cuming. Spec, authent.) 
Cyclostoma Aurora Adams Contrib. to Conch. N. 1. p. 11. * *) 
— mantimum var. Chemn. ed. II. t. 46. f. 38. 
Habitat in insula Jamaica. 
407 9 T. ? Tappaaiiaiia Adams.f 
T. elongato - conoidea , striis longitudinalibus validis et 
spiralibus minus distincte impressis sculpta, fusco - aurantiaca, 
fascia pallidiore infra peripheriam anfr. ultimi notata, columella 
fusca; spira moilice curvilinearis , truncata; anfr. superst. 4, 
convexiusculi, sutura modice impressa; apertura ovalis, superne 
acuta, margine acuto, non reflexo; umbilicus indistinctus. — 
Operc. ? — Diverg. media circa 30°; long. 0,41; lat. max. 
0,2; lat. min. 0,18 poll. (Ad.) 
Cyclostoma Tappanianum Adams Contr. to Conch. N. 9. p. 157. **) 
Tudora? Tappaniana Pfr. Consp. N. 363. 
Habitat in insula Jamaica. 
* * 
* 
ornata; sutura exile crenulata; anfr. 2 perditis, 7 reliquis ; umbilico minimo ; 
apertura ab anfr. penultimo disjuncta, supra angulata et auriculata; labro 
acuto. — Diverg. 30°; alt. 0,63, lat. 0,27 poll. (Adams 1, c.) 
*) Shell much elongated, ovate-conic; very pale orange, sometimes with 
very faint spiral darker lines, white next the aperture; Avith very strong not 
closely set whitish transverse raised lines, and two or three very faintly im- 
pressed spiral striae on the upper part of the Avhorls ; spire with slightly 
convex outlines ; apex truncate Avith the loss of three whorls ; four and one- 
half w'horls remaining, moderately convex, with a Avell impressed suture; 
aperture ovate, moderately spreading, appressed a little to the penult whorl 
below the angle above, which is detached; lip rather thin, scarcely spread- 
ing and but little reflected; umbilicus very small, with strong spiral striae. 
Mean divergence 30°; length 0,65; greatest breadth 0,31; least breadth 0,26 
inch. (Adams 1. c.) 
**) Shell elongate conoid: brownish orange, Avith a paler band beloAV 
the periphery of the last whorl , with the columella brOAvn : with crowded 
strong transverse striae, and less strongly impressed spiral striae; spire with 
the outlines moderately convex, truncated with the loss of — Avhorls ; re- 
maining Avhorls four slightly convex, A\ r ith a moderately impressed suture: 
aperture ovate, acute above, with the margin not reflected but sharp : umbi- 
licus indistinct. (Ad. 1. c.) 
