89 
59 AULOPOMA. 
2. €r. E, yonnetiantm 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?/,, min. 3, alt. fere 
4 mill. Ap. 1?/ mill. longa. (Coll. Nr. 29.) 
Cuyclostoma  Lyonnetianum Lome wss. test. Albers et Wollaston. 
"s - Chemn. ed.II. Cycl. N. 280. t. 38, f. 19—22. 
ÜCraspedopoma  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 turbimato-depressa 
vel subdiseoidea; anfractus ultimus antice solutus, inde peri- 
stoma liberum, rectum, continuum, in suleo circulari operculi 
immersum. 
"Aulopoma  Troschel in Zeitschr. f Malak. 1847. p. 43. 
e Pfr..ibid. p. 110, 18514 p. 137. Consp. p. 9. 
v Gray Catal. Cycloph. p. 14. 
Cyclostomatis spec. "uctt. 
90 1. A. NHtieri Guérin. 
T. late umbilieata, depressa, subdiscoidea, solida, stria- 
tula, albida, superne castaneo-variegata, plerumque epidermide 
olivaceo-fuüsca. vel fulva undique obducta; spira mucronata, 
coeruleo-nigrescens; anfr. 4—4'/, teretes, ultimus antice solu- 
tus, descendens; apertura obliqua, circularis; perist. continuum, 
rectum, acutum. — Opere. solidiusculum, anfr. 5 distanter 
oblique striatis.. — Diam.. maj. 22, min. 18, alt. ll mill. 
(Coll. Nr. 30.) 
