52 
AULOPOMA. 
89 2. Ci*. liyoimetiamim Lowe. 
T. rimata, subcompresso-pyramidata , solidiuscula , stria- 
tula, nitida, nigricanti-castanea ; spira conica, apice obtusula; 
anfr. 5 convexi, ultimus antice ascendens, subsolutus, peri- 
pheria subcarinatus , antice angustatus; apertura subverticalis, 
circularis ; perist. rectum , simplex, continuum, breviter adna- 
tum. — Operc. generis. — Diam. maj. 3 2 / 3 , niin. 3, alt. fere 
4 mill. Ap. P/s mill, longa. (Coll. Nr. 29.) 
Cyclostoma Lyonnetianum Lowe mss. test. Albers et Wollaston. 
— — Chemn. ed. II. Cycl. N. 280. t. 38. f. 19—22. 
Craspedopoma Lyonnetianum Gray Catal. Cycloph. p. 13. N. 2. 
— — Pfr. Consp. N. 61. 
Habitat in insula Madera. 
IV. Aulopoma Troschel. 
Operculum corneum, arctispirum, planorbiforme, e laminis 
2 compositum , inter eas spiraliter canaliculatum , anfractu 
ultimo intus sulco circulari munito. Testa turbinato-depressa 
vel subdiscoidea; anfractus ultimus antice solutus, inde peri- 
stoma liberum, rectum, continuum, in sulco circulari operculi 
immersum. 
Aulopoma Troschel in Zeitschr. f Malak. 1847. p. 43. 
— Pfr. ibid. p. 110. 1851 p. 137. Consp. p. 9. 
— Gray Catal. Cycloph. p. 14. 
Cyclostomatis spec. Auctt. 
90 1 . A. Itieri Guerin. 
T. late umbilicata, depressa, subdiscoidea, solida, stria- 
tula, albida, superne castaneo-variegata, plerumque epidermide 
olivaceo - fusca vel fulva undique obducta; spira mucronata, 
coeruleo-nigrescens ; anfr. 4 — 4'/ 2 teretes, ultimus antice solu- 
tus, descendens ; apertura obliqua, circularis ; perist. continuum, 
rectum, acutum. — Operc. solidiusculum , anfr. 5 distanter 
oblique striatis. — Diam. maj. 22, min. 18, alt. 11 mill. 
(Coll. Nr. 30.) 
