HELIX §. 83. 247 



expansiusculo, basali reOexo. — Diam. uiaj. 19, uiiu. 15, all. 

 7^2 mill. (Mus, Scheepinaker. ) 



Helix margaritis Pfr. in Zeitschr. f. Malak. -1850. p. 8;{. 



— — Chemn. ed. I[. Ilelix N. 876. t. 135. f. 19 — 21. 

 Habitat in iusulis Moluccis. 



1448. H. corniculum Hombron et Jacquinot. 



T. umbilicata, anibitu suboblonga, depressa, tenuis, le- 

 vissime striatula, nitida, albida, fascia 1 nigrieante supra me- 

 diuni ornata; spira plana, rubescens; anfr. 4 convexiusculi, 

 celeriter accrescentes, ultimus rotundatus, anticc descendens, 

 basi pone peristoma substrangulatus; umbilicus angustus, per- 

 vius; apertura perobliqua, ampla, subcircularis; perist. late 

 expansum, marginibus approximatis, columelluii breviter re- 

 flexo. — Diam. maj. 24, min. 19, alt. 11 milL (Mus. Cuming.) 

 Helix condculum Hombr. et Jacq. Voy. Pol Sud. Livr. 23. Moll. 



t, 5. f.' 10 — 13. 



— — Reeve Conch. ic. N. 502. t. 92. 



— — Chem7i. ed. II. Helix N. 986. t. 149. f. 16. 17. 

 Uabitat in Nova Guinea. 



1449. H. rosarium Pfr. 



T. umbilicata, depressa, tenuis, superne subtilissime gra- 

 nulata, diaphana , paliide fulva, flannnis a sulura cxeuntil^us 

 et cinguHs 3 interruptis, moniliformibus, ruHs ornata; spira 

 plana; anfr. vix 5 convexi, ultimus depressus, antice non de- 

 scendens, basi radiatim slriatulus et Hneis impressis, spiraJibus, 

 distantibus notatus, circa umbilicum mediocrem, infundibuH- 

 formem subcompressus; apertura parum obliqua, lunato-sub- 

 triangularis; perist, albo-labiatum , breviter reflexum, margine 

 supero ab insertione primum adscendente, tum sinuato, basali 

 strictiusculo, repando, columellari brevi, triangulatim patente. 

 — Diam. maj. 21, min. 17, alt. 9 miH. (Mus. Cuming.) 

 Helix rosarium Pfr. in Proc. Zool. Soc. 1849. p. 131. 



— — Chemn. ed. II. Helix N. 768. t. 124. f. 25 — 27. 



— — Reeve Conch. ic. N. 569. t. 103. 

 Habitat in ripis fluvii Amazonum. 



* 



1450. delibrata Bens. iu Journ. As. Soc. V. p. 352 

 et 1848 in Ann. and Mag. II. p. 162. — Chemn. 

 ed. II. Hehx N. 873. t. 135. f. 8. 9. — H. pro- 

 cumbens Gould in Proc. Bost Soc. I. t843. p. 

 139. — Pfr. Monogr. 1. p. 389. N. 1012. — 

 Reeve N. 435. t. 82.) Mon. I. p. 369. 



Oh.<. Hahitat eliam in peninsuia orientaH uitra Gangetem (Bensoni 



