CYCLOTUS $.1. 25 
Cyclophorus? distinclus Pfr. in. Zeitschr. f. Mal. 1847. p. 108. 
-— — Gray Catal. Cycloph. p. 22. N. 33. 
Cyclotus distinctus Pfr. Consp. N. 13. 
Habitat ,Bay de Montija* Columbiae occidentalis (Cuming), 
Haiti (Sallé). 
14. €. dubiosus Adams. ; 40 
Differt a C. suturali carina juxta suturam omnino defi- 
ciente, cujus loco depressio partis superioris anfractuum obser- 
vatur. — Operculum ignotum.* (Ad.) 
Cyclostoma dubiosum Adams Contrib, to Conchol, N, 9. p. 157. 
Cyclotus? dubiosus Pfr. Consp. N. 14. 
Habitat in insula Jamaica. 
15. €. Jamaicensis (Turbo) Chemnitz. 41 
T. umbilicata, depresso -turbiata, solida, striata, prope 
suturam ruditer plieato-rugosa, sub epidermide castanea, saepe 
fasciata carnea; spira brevis, turbinata, acutiuscula; anfr. 5 
convexi, ultimus ventrosus, circa umbilicum latum, perspecti- 
vum eosta prominente, obtusa, utrinque compressa munitus; 
apertura obliqua, ovato-rotundata, intus purpurascenti - auran- 
tiaca, nitida; perist. rectum, obtusum, marginibus angulo saepe 
superstructo, duplicato junctis, supero repando, columellari 
valde arcuato. — Operc. immersum, 6-—7-spirum, anfractus 
concavis, margine suberecto, leviter reflexo. — Diam. maj. 26, 
min. 22, alt. 18 mill. Diam. verücaliss apert. 14 mill. (Coll. 
Nr... LI.) 
Turbo Jamaicensis Chemn. Conch. XI p. 277. t. 209. f. 2057. 58!*) 
— Wood Suppl. t. 6. f. 3. 
Cyclostoma Jamaicense Gray in Wood suppl. p. 36. 
— -— Som. Thes. N. 15. p. 96. t. 23, f. 12. 18. 
- — Chemn. ed. II. Cycl. N. 7. p. 16. t. 2, £15—17, 
(exeluso operc.) t. 44. f. 1. 
— — Adams Contrib. to Conchol. N. 8. p. 143. 
*) T. umbilieata, spadicea, anfractibus supra penes suturam leviter 
plieatis seu corrugatis, basi subplicata; umbilico profundo, infundibuliformi, 
marginato; apertura rotunda; operculo orbieulari, testaceo, striis concen- 
trieis circinato et notato. (Chemm. l. c.) 
