CYCLOSTOMUS §. 1. 
191 
3. C. cariniferus Sowerby. 3i 
T. late umbilicata, clepressa, subdiscoidea , striis incre- 
ment! distinctis carinisque permultis elevatis (interjectis mino- 
ribus confertis) subreticulata, fulvescenti-fusca, cingulo 1 satu- 
ratiore infra peripheriam circumdata; spira vix elevata, mu- 
cronulata ; anfr. 5 convexiusculi , celeriter accrescentes , ad 
suturam depressi ; apertura parum obliqua, subcircularis ; perist. 
fulvidum, subincrassatum, breviter expansum, marginibus callo 
sursum protracto junctis, columellari dilatato, subreflexo. — 
Operc. ? — Diam. maj. 40, min. 32, alt. 17 mill. Ap. oblique 
20 mill, longa. (Mus. Cuming.) 
Cyclostoma cariniferum Sow. Spec, conch, f. 197. 198. 
— — Reeve Conch, syst. II. t. 185. f. 23. 
— — Sow. Thes. N. 69. p. 114. t. 25. f. 98. *) 
— — • Chemn. ed. II. N. 152. p. 144. t. 19. f. 13—15. 
Cyclophorus? cariniferus Pfr. in Zeitschr. f. Mai. 1847. p. 108. 
— — Gray Catal. Cycloph. p. 21. N. 25. 
Cyclostomus cariniferus Pfr. Consp. N. 277. 
/?. Minor , carinis plurimis minoribus , peristomate rubro aurantiaco ; diam. 
maj. 36, min. 28, alt. 16 mill. (Mus. Cuming.) 
Cyclostoma spectabile Petit Journ. Conch. 1850. I. p. 49. t. 3. f. 2. **) 
Habitat Madagascar; var. Nosse Faly prope Nosse Be (Guillain). 
4. C. artieulatus Gray. 31 
T. mediocriter umbilicata , orbiculato - conoidea , solida, 
multicarinata (carinis 2 — 3 validioribus, fusco-articulatis), pal- 
lide carnea; spira late conoidea, apice obtusiuscula ; anfr. 5 
convexiusculi, subangulati, celeriter accrescentes, ultimus infra 
carinam periphericam subplanulatus, spadiceo-unifasciatus, con- 
fertim et profunde sulcatus, juxta umbilicum infundibuliformem, 
intus ruditer sulcatum carina latiore munitus ; apertura subob- 
liqua , fere circularis , intus fulvescens ; perist. subincrassatum, 
rectum, marginibus callo brevi, lunatim exciso junctis, dextro 
*) T. orbiculari, subdepressa, fulvescente-fusca , cingulo saturation; 
anfr. 5 rotundatis, spiraliter striatis et cariniferis, carinis 8—10 acutis, 
superioribus majoribus; apertura magna, orbiculari; peritremate reflexo, 
postice supra anfractum ultimum paululum extenso ; umbilico maximo , spi- 
raliter striato ; sutura distincta. (Sow. 1. c.) 
**) T. orbiculari, conico-depressa , late umbilicata, pallide aurantiaca; 
anfr. 4 — 5, convexo -depressis, lineato - sulcatis, ultimo lineis fusco fere arti- 
culatis aliquot subcarinato, zona fusca intensiore inframediana cincto ; aper- 
tura orbiculari, rubro-aurantia., margine reflexo. — Operc. calcareum, nucleo 
subcentrali, hyalino. — Diam. 36, alt. 20 mill. (Petit 1. c.) 
