CYCLOTUS §. 3. 
19 
trosus; apertura obliqua, latere clextro dilatata; perist, superne 
fortiter sinuatura ; umbilicus amplus, infunclibuliformis ; carina 
umbilicalis valde prominens. — Alt. 0, 9, diam. maj. 1 , 13, 
min, 0 , 9 poll. (Ch.) 
Cycloliis dentistigmatus Chiity in Proc. Zool. Soc. 1857. p. 154. 
Habitat „Yallahs Hill, Portland^ insulae Jamaicae. 
29. C?. sniBtSlSs Cliitty. f 120. 
T. perdepresso-conica, laete fusca, apice rufa; striae in- 
crementi subtiles in anfr. primis 8 ^ 4 , caeterum corrugatio 
rudis praeter partem anticam anfr. ultimi^ ubi striae incre- 
menti fortes et fossulae leves; spira convexa, perdepressa; 
anfr. 4 rotundati; apertura obliqua, superne dilatata et latere 
dextro valde expansa; perist. solutum, superne leviter sinua- 
tum; umbilicus amplus, diam. max. 0,14 poll.; carina umbili- 
calis in umbilico bene limitata. — Alt, 0, 31, lat. max. 0, 46, 
min. 0 , 35 poll, (Ch.) 
Vyclotus inutilis Chithj in Proc. Zool. Soc. 1857. p. 155. 
Habitat in insula Jamaica. 
30. corrugatus Sow. (Coll. 17. — Reeve t. Z. i. \\. 121. 
— Jamaica.) Pneum. II. p. 18. 
Obs. Conf. Chi tty in Proc. Zool. Soc. 1857. p. 146. (Species 
restricta.) Simili operculo munitae describuntur a Cl. Chi tty species 
sequentes : 
31. Portlaiide£i@M@ Cliitty. f i22. 
T. depresso-turbinata, sub epidermide saturate umbrina 
caerulescenti-alba, apice interdum sanguinea; anfr. 5^/3, priores 
31/2 rudes, turn striae incrementi abeunt in rugas profundas 
verticales ; anfr. ultimus peripheria et ad aperturam laevigatus, 
superne depressus, intra carinam umbiiicaiem minute striatus, 
leviter fossulatus ; apertura ut in C. corrugato , ad dextram 
magis expansa; umbilici diam. max. 0,32 poll.; perist. C, 
corrugati. — Alt, 0, 85, lat, max. 1,07, min. 0, 88 poll. (Ch.) 
Cyclotus Portlandensls (Jhiiiy in Proc. Zool. Soc. 1857. p. 147. 
Habitat Portland insulae Jamaicae, 
2 
