BOURCIERA. 235 
Subfamiliae ambiguae genus: 
Ll. Bourciera Pfr. 
Pfr. Mon. Pneum. Ll. p. 312; II. p. 168; III. p. 181. — 
Bland in Amer. journ. conch. II. 1866. p. 61: genus Realieo- 
rum. — ease in Proc. Zool. Soc. 1869. p. 160. —  Pütel 
Catal. 1873. p. 17. 124. 
Species : 
l. helicinaeformis (Cyclostoma) Pfr. (Coll. 1.) I. 312. II. 168. III. 
181. —- Pütel Cat. p. 124. — Respubl. Aequatoris. 
2. Fraseri (Cyclostoma) Pfr. III. 181. — Cuenca reipubl. Aequatoris. 
Cyclostomacea (?) minus nota. 
Cyclostoma 
agglutinans Hombr. & Jacq. 1l. 168. — Oceania. (— Valvata?) 
crenatum. ( Turbo) Linn. l. 314. II. 169. III. 182. (— Scealaria?) 
-Eugeniae Reeve. T Ill. 182. — Mauritius. 
lunulatum ( Nerita) Müll. 1. 315. II. 169. III. 183. — Turbo lunulatus Gmel. 
— (An — Choanopoma decussatum Lam.?) 
marginatum ( Turbo) Chemn. I. 313. — Turbo limbatus Gmel. 
reflexum ( Turbo) Linn. I. 169. IL. 169. III. 183. — Cyclostoma reflexum 
Gray. (— Cyelostoma elegans Müll. teste Hanley Ipsa Linnaei 
ceonchylia p. 344.) 
Stegomphix 
elegans .Rafin. III. 183. 
Cyclostomacea fossilia. 
Cyclostoma abbreviata. Math. 
— Alberti Dujard. JUS TTA 
— Aquensis Math. 
—  Arnoudi Mich. ( Arnouldi Boissy.) Y. 317. 
—  basicarinatum Pfr. IIl. 168. — St. Croix subfoss. —  Chondropoma 
basicarinatum Reeve. 
—  JBaudoni Mich.*) III. 182. 
*) ,Testa ovato-conoidea, subumbilicata, sulcis transversis numerosis 
cincta, striis longitudinalibus minimis clathrata; anfractibus senis, convexis, 
regulariter crescentibus, ultimo majore; sutura profunda; apertura rotunda, 
superne subangulata; peristomate continuo, simplici, acuto, subpatulo; apice 
laevigato, obtuso. —- Long. 15—20, diam. anfr. ultimi 10 mill.* (Hauterive, 
Dróme.) 
