54 HELIX §. 10. 



vissime reflexiusculo. — Diam. maj. 33, min. 30, alt. 18 mill. 

 (Coll. Nr. 71.) 



Helix semidecussata Pfr. in Proc. Zool. Soc. 1851. 

 — — Chemn. ed. II. Helix N. 955. t. 145. f. 8. 9. 



Habitat in insula Ceylon. 



Obs. Persimilis H. inversicolori Fer. , perforatione et spira elevatiore 

 discrepans. 



* 



158. H. Eucharis Deshayes. •{• 



T. orbiculato-subdiscoidea, tenuis, pellucida , viridescens, 

 carina angustata ad periplieriam circumdata, superne i^ranulosa, 

 subtus laevigata; spira conoidea, acuta; anfr. 6 angusti, sub- 

 plani, sutura tenuissime crenulata conjuncti, ultimus incrassa- 

 tus, basi convexus, perforatus; apertura magna, lunalo-sub- 

 trigona, obliqua; perist. simplex, acutum. — Diam. 28, alt. 

 20 mill. (Dh.) 



Helix Eiicharis Desh. in Fer. hist. I. p. 363. N. 430. t. 6 4 A. 

 f. 7. 8. 

 Habitat . . .? 



* 



1.59. H. glutinosa Metcalfe. 



T. perforata, conoideo-lenticularis, carinata, tenuis, lineis 

 spiralibus subtilissime sculpta, lubrica, nitidissima, laete ca- 

 stanea; spira conoidea, acutiuscula; sutura vix impressa, ob- 

 scure marginata; anfr. 6 planiusculi, ultimus non descendens, 

 ad peripheriain carina compressa , rotundata , castanea cinctus, 

 basi convexus; apertura obliqua, angulato-lunaris; perist. sim- 

 plex, rectum, acutum, margine columellari superne brevissime 

 reflexo. — Diam. maj. 28, min. 24^2, alt. 14^2 mill. (Mus. 

 Metcalf.) 



Helix glutinosa Metc. m Proc. Zool. Soc. 1851. 

 Habitat in insula Borneo. 



160. Novae HoUandiae Gray. «J* Mon. I. p. 78. 



161. H. oblita Pfr. 



T. perforata, sublenticularis, tenuissima, superne confertim 

 arcuato-plicata, pellucida, pallide cornea; spira depresso-tur- 

 binata, acutiuscula; anfr. 6 vix convexiusculi, ultimus non de- 

 scendens, medio obtuse denticulato-carinatus, basi convexior, 

 radiatim striatus; apertura parum obliqua, lunaris; perist. sim- 

 plex, tcnue, rectum, margine basali leviter arcuato, ad per- 

 forationem breviter reflexo. . — Diam. maj. 23, min. 20, alt. 

 IIV2 inill. (Mus. Cuming.) 



