254 IIELIX §. 84. 



lunaris; perist. simplex, tenue, marginibus vix conniventibus, 

 supero brevissime expanso, basali arcualo, reflexo, columellari 

 superne perdilatato. — Diam. maj. 17, rain, 15, alt. 7^2 m'". 

 (Coll. Nr. 801.) 



Helix trichotropis Pfr. in Zeitschr. f. Malak. 1850. p. 73. 



— — Reeve Conch. ic. N. 460. t. 85. 



— — Chemn. ed. II. Hehx. N. 867. t. 134. f. 9. 10. 

 Habitat Shang Hi Chinae (Fortune). 



1492. rotatoria v. d. Busch. (Coll. 802. — Moiiss. 



jav. Moll. p. 24. t. 2. f. 8. -— Di.scus Alb. p. Ml.) Mon. I. p. 203. 



1493. H. tapeina Benson. 



T, umbilicata, orbiculato-conoidea, subtiliter granulato- 

 striata, carinata, haud nitens, pallide fuscula; spira depresse 

 conoidea , apice obtusiuscula; sutura filaris; anfr. 6 planius- 

 culi,.lente accrescentes, ultimus antice descendens, basi con- 

 vexus, circa umbilicum magnum, conicum angulatus; apertura 

 obliqua, lunari-subcircularis; perist. album, raarginibus conni- 

 ventibus, dextro expansiusculo, basali substricto ct columellari 

 breviter reflexis. — Diam. maj. loV^, min. 14, alt. 8 milJ. 

 (Coll. Nr. 803.) 



Helix tapeina Bens., Pfr. Monogr. I. p. 207. N. 541. 



— — Bens. in Ann. and Mag. 2 d. ser. II. p. 163. (Char. 



emend. ) 



— — Pfr. in Zeitschr, f. Malak. 1849. p. 84. 



— — Reeve Conch. ic. N. 750. t. 125. 



— — Chemn. ed. II. Helix N. 843. t. 131. f. 14. 15. 

 Habitat in peninsula orientali ultra Gangetem (Bens.). 



Obs. Differt ab H. rotatoria scuiptura, spira magis eievata , umbi- 

 iico angustiore, apertura rotundiore, etc 



* 

 1494. orientalis Gray. •{• [fieeve N. 409. t. 78.) . . . Mon. I. p. 397. 



1495. H. Scheepmakeri Pfr. 



T. umbilicata, dcpressa, tenuiuscula, sublaevigata, spira- 

 liter obsolete striata, albida, castaneo- 4-fasciata; spira plana: 

 sutura impressa; anfr. 4 rapide accrescentes, subplani, ulti- 

 mus superne valde turgidus, antice deflexus, basi acute cari- 

 natus, subtus vix convexus, sensim in umbilicum angustum 

 attenuatuS; antice subconstrictus; apertura subhorizontalis, an- 

 gulato-subelliptica, ad carinam elTusa; perist. simplex, margi- 

 nibus conniventibus, supero leviter arcuato, breviter expanso, 

 infero perarcuato, breviter reflexo. — Diam. maj. 21, rain. 16, 

 alt. 8 mill. (Mus. Scheepmaker.) 



