182 
BOURCIERA. 
— Operc. tenue, corneo-purpurascens , arcuato-plicatum — 
Diam. maj. vix 11 , min.81/2, alt. 61/2 mill (Miis. Cuming.) 
Cyclostoma Fraseri [Bow'cicra) Pfr. in Proc. Zool. Soc. 1859. p. 28. 
t. 44. 11. 
Habitat in provincia Cuenca reipublicae Aequatoris (Fraser). 
O b s. DifFert a praecedente praeter staturam praecipue anfractu ultimo, 
non inflate, spiram vix superante, columella brevi, etc. 
Cyclostomacea 
incertae sedis vel omnino dubia. 
Cy do s to m a 
l!()3. abbreviata Math 1832. foss. 
1104. agglutinans Hombr. & Jacq. f (Oceania.) .... Pneum. II. p. 168, 
no5. Alberti Dujard. foss. 
1106. Aqnensis Math. foss. 
1107. Arnoudi Michd 1839. foss. [Arnouldi Boissijd) 
1108. basic arinatum Pfr. (Coll. 541. — Chondroponiu 
Reeve t. 8. f. 58. — Subfoss. St. Croix.) . - - - 168. 
1109. Baudoni Mich, (in Journ. Conch. X. 1862. p. 81. t. 4 
f. 12 ) foss. 
1110. bisulcatum Braun, (majus Raht) foss. 
nil. bulimoides Math. 1832 foss. 
1112. cancellatum Grat. foss. 
1113. chordiferum Pfr. (Coll. 542. — Subfoss. Sf. 
Croix) - - - 168. 
1114. conoidea Boissy foss. 
1115. Coquandi Math. foss. 
1116. cornu pastoris Lam. 1804. foss. 
1117. crassilabris Math. foss. 
1118. ? crenatum (Turbo) Linn, f - - - 169. 
1119. decussatum Bon. 1840. foss. 
1120. delicatum Phil. foss. 
1121. disjuncta Math. foss. 
1122. dolium Thom, (pupa Raht) foss. 
1123. Draparnaudii Math. foss. 
1 1 24 . elegans-antiquum Brongn. 
1125. elongatum Serr. 
1126. Cyelostoaaesft Eisgei^iae Meeve* f 
5,Cycl. testa subprofunde uinbilicata, subdepresso-orbiculari j 
spira brevi; anfractibus ad suturain leviter impressis, deinde 
convexis, spiraliter dense elevato-striatis, in medio acute tenui- 
carinatis ; apertura circular!, labro (in hoc specimine) simplici ; 
fulvescenti-spadicea, infra castaneo plus minus tenue vittata. 
— Lat. 1 poll." (R.) 
