MEGALOMASTOMA §. 2. 
83 
1856. p. 122. — Ch . ed. nov. t. 17. f. 12. 13. 16. 
17 — Yar. auricula canaliculata : Cych solenatum 
Poey Memor. I. t. 7. f. 17. 18.) Mon. p. 129. 
15. Jfl* apertuin Poey. 
T. umbilicata, conico-ovata, solida, subtiliter striata, nuda, 
yiolacea , sursum ochracea vel rubicunda ; spira integra , in 
conum brevem terminata ; anfr. 7 modice convexi , ultimus 
juxta umbilicum subcompressus ; apertura verticalis, subcircu- 
laris, intus fusca ; perist. continuum, incrassatum , reflexius- 
culum, breviter adnatum, margin e sinistro dilatato, patente. — 
Long. 24 — 25, diam. 10—11 mill. Ap. diam. 6 mill. (Coll. 
Nr. 123.) 
Megalomastoma apertum Poey Memor. I. p. 40*5. 
— Pfr. in Malak. Bl. III. 1856. p. 122. 
Cyclostoma apertum Poey Memor. I. t. 7. f. 15. 16. Male! 
Habitat in montibus „Camoa a partis occidentalis insulae Cu- 
bae (Gundlach). 
16. M, Heiiiiimiium Poey. 
T. perforata, ovato-conica, solida, confer te striata, epider- 
mide fulva superne induta, infra medium nuda, fulvo-violacea ; 
spira integra vel subtruncata; anfr. 7 convexi, subirregulares, 
ultimus antice albescens, circa perforationem subcompressus; 
apertura sub verticalis , circularis, fundo fulva; perist. album, 
incrassato-reflexum, ad anfractum contiguum excisum, margine 
dextro leviter producto, sinistro latius auriculato, reflexo. — 
Operc. saturate fulvum. — Long. 22, diam. 10 mill. Ap. 
intus 6 mill. diam. (Coll. Nr. 124.) 
Megalomastoma seminudum Poey Memor. I. p. 405. 
— — Pfr. in Malak. Bl. III. 1856. p. 122. IV. 
1857. p. 113. 
Cyclostoma auriculatum var. Chemn, ed. nov. t. 17. f. 14. 15. 
Habitat circa Trinidad insulae Cubae (Lavallee), Guinia 
(Gundlach). 
* 
17, torturn Wood. (Coll. 125. — Gray Phan. p. 
88. — Poey Memor. I. p. 401. — Ad. Gen. p.285. 
— Pfr. Novit. conch. I. p. 68. n. 114. t. 19. f. 7. 
8. — Pfr. in Mai. BL 1856. p. 122. — Cyclost. 
torta Orb , Chenu 111. conch, t. 1. f. 16.) . . . Mon. p. 126. 
6 * 
