MEGALOMASTOMA $.2.3. N^ diei 
Cyclostoma Orbignyi Pfr. in Proc. Zool. Soc. 1850. 
-— — Chemn. ed. II. N. 262. t. 37. f. 3. 4. 
Megalomastoma Orbignyi Pfr. Consp. N. 190. p. 73. 
f£. Testa unicolore virenti - fulva. 
y. Testa minore, interdum omnino violacea, anfractibus convexioribus; long. 
20, diam. 8 mill. 
Cyclostoma Orbignyi var. Chemn. |. c. t. 37. f. 5, 6. 
Habitat in insula Haiü (Salle). 
i1. WE. ehrysallis Pfr. 
T. umbilicata, distorto-ovata, solida, striatula et punctato- 
malleata, fusco-carnea; spira irregulariter ovata, apice conoidea, 
acutiuscula; sutura levis; anfr. 6 convexiusculi, penultimus 
latere aperturae planulatus, ultümus angustior; apertura verti- 
calis, circularis; perist. crassum, dilatatum, patens, reflexum, 
margine supero linea horizontali adnato. — Operc.? — Long. 
16, diam. 9 mill. Ap. intus 4 mill. longa. (Mus. Cuming.) 
Cyclostoma chrysallis Pfr. in Proc. Zool. Soc. 1851. 
— — . Cheinn. ed. IL. N. 217. t. 31. f. 23. 94. 
Megalomastoma chrysallis Pfr. Consp. N. 191. p. 73. 
Habitat Arva. (Cuming). 
$. 3. 
12. NE. simmnulaerum YElorelet. Dy 
[ro] 
[51] 
T. subperforata, turrita, truncata, solida, laevigata, vix 
nitidula, virenti-fulva vel castanea; spira elongata, sensim 
attenuata; sutura submarginata ; anfr. superstites 06 convexius- 
culi, ultimus basi filo-c arinatus, supra carinam striatus; apertura 
verticalis, subcircularis ; perist. dupiex : internum breviter por- 
rectum, externum late expansum, album, intus concavum, ad 
perforationem interruptum, margine supero appresso, columellari 
libero. — Opere. corneum, planum, arctispirum, margine an- 
fractuum libus — Long. 35, diam. 11 mill. Ap. intus 
* mill, cum perist. 11 mill. longa. (Mus. Cuming.) 
Cyclostoma simulacrum Morelet "Test. noviss. p. 22. N. 54. *) 
*) T. pyramidalis, umbilicata, fulvo - virescens vel saturate castanea; 
spira turrita, apice pallidiore, acuminato, plerumque decollato; anfr. 10— 12 
planulati, obsolete striati, ultimo ad aream umbilicalem excavato, filocari- 
nato; apertura circularis; perist. intus nitidum, pallide cinerascens, duplex; * 
internum lineare, integrum, emergens; externum late expansum, concavum; 
margines acuti, versus umbilicum soluti, limbo sinistro libero; columellari 
appresso, utroque reflexiusculo. — Long.38— 45, diam. 11— 12 mill. (Mor. l.c.) 
9 * 
