IIELIX §. 7. 39 



Helix memhrcmacea (Lepkixis) Loive in Ann. Maii. 2 d. ser. IX. 



p. H2. N. 2. 



— — Chemn. ecl. II. Helix N. H I . t. 1 6 1 . f. 14. < 5. 

 Habitat in itisula Madera. 



73. H. Cuticula ShutUeworth. •{• 



T. imperforata , subdiscoidea , subtus convexa, acute cari- 

 nata, tenuissima, diaphana, luteo- viresoens, plicato-striata ; 

 spira brevis, conoidea, apice papillari; anlr. 3 rapide accres- 

 centes, vix convexiuscuii, ultimus ad carinam irregulariter 

 crenulatus, antice descendens; apertnra ampla, perobliqua, 

 ovaii-securiformis; perist simplex, membranaceum, margine 

 columeilari arcuato, obsolete dilatato. — Diauj. maj. 9, min. 

 7^2, a^t- S f"'ll- (Sh.) 



tfelix Cuticula Shuttl Diagn. n. Moli. N. \. p. 8. 

 Habitat in insuiis Teneriffa et Palma rarissima (Blauner). 



Obs. «Species puicherrima, H. Webbianae ei membranaceae Lowe 

 proxinie afrinis. Specimina fere omnia, quae Blauner legit , evidenter vix 

 perfecta sunt, species adeo verosimiliter augescit, et peristomio.expansd 

 gaudet. » 



*• 



74. misella Fer. (Coll. 38. — Chemn. ed. nov. I. p. 



"237. — Xa7iina [Microcystis] Alb. p. 60.) . . . Mon. 1. p. 38. 



75. Boholensis Pfr. (Goii. 39. • — Chemn. ed. nov. I. 



p. 243. — Beeve^. 154. t. 35. — Trochomorpha 



Alb. p. I 16.) - - - 36. 



76. insculpta Pfr. (Coll. 40. — Chemn. ed. nov. I. 



p. 2 43. - Trochomorpha Alb. p. M6.) - - - 36. 



77. spirulata Pfr. (Coll. 41. — Chemn. ed. nov. I. 



p. 244. — Trochomorpha Alb. p. M6.) - - - 37. 



7S. H. radians Pft*. 



T. imperforata, depressa, tenuis, laevigata, nitidissima, 

 peliucida , cornea, strigis albidis irregulariter radiata; spira 

 brevissima, convexa; sutura impressa, submarginata; anfr. 47^ 

 pianiusculi, ultimus non descendens, superne anguiatus, basi 

 convexus, medio subimpressus; apertura subverlicalis, angu- 

 lato-lunaris; perisl. simpiicissimum, rectuni, acutum. — Diam. 

 maj. 9, min. 8, alt. 4 miii. (Coll. Nr. 42.) 

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



— — Chetm. ed. II. Helix N. 942. t. 144. f. 22. 23 



Habitat in insula Tahiti. 



79. H. Marlae Gray. 



V. imperforata, sublenticularis, tenuiuseula, striatuia, oieoso- 

 niiidiula, virenti-cornea, strigis angustis antrorsum descenden- 



