CYCLOSTOMUS &. 1. 191 
3. €. enriniferus Sowerby. 
T. late umbilicata, depressa, subdiscoidea, striis incre- 
menti distinetis carinisque permultis elevatis (interjectis mino- 
ribus confertis) subreticulata, fulvescenti-fusca, cingulo l satu- 
ratore infra peripheriam circumdata; spira vix elevata, mu- 
cronulata; anfr. 5 convexiusculi, celeriter acecrescentes, 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 Som. Spec. conch. f. 197. 198. 
— — Reeve Conch. syst. II. t. 185. f. 23. 
-— -— Som. 'Thes. N. 69. p. 114. t. 25. f. 98. *) 
-— — Chemn. ed. II. N. 152. p. 144. t. 19. f. 13—195. 
Cyclophorus? cariniferus Pfr. in Zeitschr. f£. Mal. 1847. p. 108. 
— — Gray Catal. Cycloph. p. 21. N. 25. 
Cyclostomus cariniferus Pfr. Consp. N. 277. 
f. Minor, carinis plurimis minoribus, peristomate rubro aurantiaco; diam. 
maj. 36, min. 28, alt. 16 mill. (Mus. Cuming.) 
Cyclostoma spectabile Petit Journ. Conch. 1850. IL. p. 49. t. 3. f, 2, **) 
Habitat Madagascar; var. Nosse F'aly prope Nosse Be (Guillain). 
4. €. articulatus Gray. 
T. mediocriter umbilicata, orbiculato-conoidea, solida, 
multearinata (carinis 2—93 vahidioribus, fusco-articulatis), pal- 
hde carnea; spira late conoidea, apice obtusiuscula; anfr. 5 
convexiusculi, subangulati, celeriter accrescentes, ultimus infr: 
carinam periphericam subplanulatus, spadiceo-unifasciatus, con- 
ferüm et profunde sulcatus, juxta umbilicum mfundibuliformem, 
intus ruditer suleatum carina latiore munitus; apertura subob- 
liqua, fere circularis, intus fulvescens; perist. subincrassatum, 
rectum , marginibus callo brevi, lunatim exciso juncts, dextro 
*) T. orbiculari, subdepressa, fulvescente-fusca, cingulo saturatiori; 
anfr. 5 rotundatis, spiraliter striatis et cariniferis, carinis 8— 10 acutis, 
superioribus majoribus; apertura magna, orbieculari; peritremate reflexo, 
postice supra anfractum ultimum paululum extenso; umbilico maximo, spi- 
raliter striato; sutura distincta. (Sow. l. c.) 
**) T. orbiculari, conico-depressa, late umbilicata, pallide aurantiaca ; 
anfr. 4—5, convexo-depressis, lineato-suleatis, ultimo lineis fusco fere arti- 
eulatis aliquot subcarinato, zona fusca intensiore inframediana cincto; aper- 
tura orbieulari, rubro-aurantia, margine reflexo. — Opere. caleareum, nucleo 
subeentrali, hyalino. — Diam. 36, alt. 20 mill. (Petit l. c.) 
