172 CYCLOSTOMUS $. 2. 
cula; anfr. b, convexis, biearinatis, inter carinas undique costis 
irregularibus, subdistantibus munitis; apertura vix obliqua, 
subeirculari; perist. simplici, marginibus approximatis, callo 
tenui junctis, margine dextro recto, columellari mediocriter 
expanso. — Diam. maj. 14, min. 12, alt. 17 mill.* (A.) 
Cyclostomus  mauritianus (Tropidophora) ZH. Adams in Proc. Zool. Soc. 
1867. p. 305. t. 19. f. 10. 
Habitat ,Pouce Mountain* insulae Mauritii (G. Nevill). 
* 
25. suleatus Lam. I. 201 (calcareus). II. 115. III. 126. —  Pütel Cat. 
p. 122. — Cyclostoma sulcata. .Lam., caleareum Sow, —. Cycelostomus 
calcareus .Dohrn in Proc. Zool. Soc. 1865. p. 233. — Tete Mozam- 
bique et ad lacum Nyassa. 
26. rugosus (Cyclostoma) Lam. I. 202. II. 115. III. 126. — Cyclo- 
stoma, cinctum Sow. — India. 
27. Creplini (Cyelostoma) Dunk. (Col. 9.) I. 202. II. 115. III. 
126. — JPütel Cat. p. 122. — Zanzibar. 
28. puleher (Cyclostoma) Gray. (Coll. 10.) I. 203. II. 115. III. 126. 
— Pütel Cat. p. 122. —  Cyclostoma orti Val., ortyz Sow., multi- 
carinata Jay, Arthurii Grat. — Ins. Sechell. 
29. C. Desmazuresi Crosse. 7 
.T. umbilieata, turbinata, tenuiuscula vel solidula, costu- 
lis transversis, inaequalibus impressa, aliis (9—4) majoribus, 
distantibus, albo et fusco plus minusve articulatis, quasi cari- 
nulas formantibus, caeteris numerosis, parvulis, striis longitu- 
dinalibus decussata, pallide fulvida, fusco maculata; spira 
breviter conica, apice obtusulo, rotundato; sutura irregulariter 
linearis, vix undulato-plicata; anfr. 4tJ; convexiusculi, embryo- 
nales primi 1!/,laevigati, fusco-cornei, ultimus vix descendens, 
spiram superans (5:3!/j) ad peripheriam subearinatus, paulo 
infra fusco cingulatus, basi et circa. umbilicum profundum, 
infundibuliformem, pervium pallide eastaneus, costulis umbilici 
majoribus et magis distantibus; apertura subverticalis, ovato- 
circularis, ad suturam subangulata, intus pallide fulvida, fusco 
lineata; perist. simplex, marginibus convergentibus, callo tenui 
junetis, columellari reflexiusculo, aurantio-fusco, externo vix 
expansiusculo, subacuto. — Operc. testaceum, albidum, medio 
concaviusculum. — Diam. maj. 10!/, min. 8!/,, alt. 8!/; mill. 
Apert. 5 mill. longa, 4 lata.* (Cr.) 
Cyclostoma  Desmazuresi. Crosse in Journ. Conch. XXI. 1873. p. 141; 
XXIL. 18749 p. 238.1, 8. f. 9. 
Habitat in insula Rodriguez (Desmazures). 
