198 MEGALOMASTOMA $. 2. 
Cyclostoma auriculatum Chemn. ed. IT. N. 113. p. 112. t. 17. f. 16. 17. 
y. Testa var f simili, peristomate superne oblique exciso, interdum cana- 
liculato : 
Cyclostoma auriculatum var. Chemn. |. c. t. 17. £. 12. 13 
— solenatum Poey Mem hist nat. Cuba I t. 7. f 17 18? 
Habitat in. insula Cuba. 
219 6. M. Mami Poey. 
T. perforata, oblonga, pupaeformis , solida, irregulariter 
arcuato-striatula, parum nitida, unicolor virenti-fulva ; spira in- 
flata, sursum conica, vix wummenm ts sutura profunda, sim- 
plex; anfr. 7 perconvexi, penultimus latere aperturae subpla- 
natus, ultimus angustior, teres, circa perforationem non com- 
pressus; apertura circularis, basi vix ultra axin procedens; 
perist. continuum, valde inerassatum, subreflexum, anfractui 
penultimo breviter adnatum, latere columellari subauriculatim 
dilatatum. — Operc. normale, margine anfractuum subelevato. 
— Long. 28, diam. 12'/, mill. Ap. intus 7 mill. longa. (Coll. 
INr5997) 
Cyclostoma Mani Poey Memorias sobre la hist. nat. de Cuba IL. t. 7. 
f. 19— 22, 
— —  Chemn. eà. II. N. 387. t. 47. f. 29—31. 
B. Anfractibus 2 ultimis virenti-violaceis. 
Habitat in insula Cuba (Poey). 
LÀ 
220 7. MB. vemtricosum Orbigny. 
T. umbilicata, oblongo- ovata, apice decollata, crassa, lae- 
vigata, carnea ; anfr. 5 convexi, rapide accrescentes, penulti- 
mus maximus, ultimus angustior, juxta umbilicum angustum 
angulatus; apertura circularis, intus fulvida; perist. continuum, 
expansum, incrassatum, album, anfractui penultimo breviter 
adnatum, margine supero et columellari subangulatim dilatatis. 
— Operc. normale. — Long. 29, diam. 16 mill Ap. intus 
1'/, mill. longa. (Mus. Cuming. et Gruner.) 
versim subundulatim striatis; apertura circulari; peritremate externo incras- 
sato, reflexo, postice in angulum obtusum desinente, deinde umbilicum versus 
tenui, demum supra umbilicum lamellari, patente; umbilico mediocri, mar- 
gine obtuse angulato. (Sow. l. c.) 
