288 IIELIX §. 117. 



major, subunicolor olivaceo-fusca, obsolele fas- 

 clata, anfractu iiltimo antice subtus strangu- 

 lato, apertura elongata, truncato-ovali. [Coli.] — 

 y. Maxima, sub epidermide lutescente alba, perist. 

 albo; diam. maj. 80, min. 64, alt. 27 miil.) . . . Mon.lII. p. 238. 



1832. Forbcsi Pfr. (Macrocyclis Ffr. Vers. p. 137. — 



Macrociidis Forbesii Ad. Gen. p. 203.) - I. - 374. 



1833. omphalodes Pfr. (Coll. 992. — Bv. n. 184. t. 41. 



— Ampelita Pfr. Vers. p. 137. — Macrocijclis 



omphal. [Ampelita] Ad. Gen. p. 203.) - III.- 238. 



1834. galactostoma, Pfr. [Rv. n. 192. t. 42. — Am- 



pelifa Pfr. Vers. p. 137. — Macrocyclis galact. 



[Ampelita] Ad. Gen. p. 203.) - -- 238. 



1835. sepulcralis Fer. (Coll. 993. — Bv. n. 147. t. 39. 



— Ampelita P/r. Vers. p. 137. — H. labrella Lam., 

 Desh. in Enc. ni6th. II. p. 212. n. 11. — H. tri- 

 viltala Borti. — Macrocijclis sepulcr. [Ampelita] 



Ad. Gen. p. 203.) - -- 238. 



1836. Clotho Fer. -J- {Fer. t. 691. f. 3. — Ampelita Pfr. 



Vers. p. 137. — Ampelita Clotlio Beck Ind. p. 31. 

 n. 6. — Macrocijclis Clotho [Ampelita] Ad. Gen. 

 p. 203.) - -- 238. 



1837. Lachesis Fer. (Coll. 994. — Fer.i. 69II. f. 3. 4. 



— Ampelita Pfr. Vers. p. 1 37. — Macrocyclis Lach. 



[Ampelita] Ad. Gen. p. 203.) - -- 648. 



1838. H. Atropos Fcrussac. 



T. umbilicata, depressa, ambitu auriformis, solidiuscula, 

 irregulariter striata, castanea, fasciis 3 albis, una prope sutu- 

 ram, 2 latioribus l>asalibus ornata; spira parum convexa, ob- 

 tusa; anfr. 5 convexiusculi, sensim accrescentes, ultimus de- 

 presso-rolundatus, antice deflexus, circa umbilicum castaneum 

 subcompressus , anlice subconstrictus ; apertura perobliqua, 

 ovato-oblonga, intus concolor; perist. undique breviter refle- 

 xum, marginibus subconnivenlibus, callo tenui junctis. — Diam. 

 maj. 39, min. 32, alt. 18 mill. (Mus. Cuming.) 

 Hellx Atropos Fer., Pfr. Mon. III. p. 2 39. n. 1398. 



— — Reeve Conch. ic. n. 1347. t. 192. 



— — (Ampelita) Pfr. Vers. p. 137. 



Macrocyclis Atropos [Ampelita] H. et A. Adams Gen. II. p. 2 03. 

 j3. Alba, fasciis 3 castaneis, prima juxta suturam latissima, 1 peri- 

 plierica et 1 basali angustioribus, umbilicoque castaneo. 

 Habitat in insula Madagascar. 



183P. H. tuba Albers. 



T. umbilicata, depressa, tenuis, subgranulata et pilis bre- 

 vibus rigidis , quincuncialiter dispositis, obsita, haud nitens, 

 griseo-lutea, fasciis 3 nig!'o-castaneis (1 suturali, 2 peripliericis), 

 una supera fulva et area umbilicali castanea ornata; spira pa- 

 rum elevata, superne plana; anfr. 4 vix convexiusculi, celeriter 



