pupa. 103 



P. edentula, Draparnaud. 



Minute, cylindrical ; wrinkles indistinct ; mouth toothless ; 

 outer lip simple, not reflected. 



Plate CXXX. fig. 1. 



Pupa edentula, Drap. Moll. Ter. et Fluv. France, p. 59, pi. 3, f. 28, 29. — 

 Alder, Trans. Nat. Hist. Soc. Northumb. vol. i. p. 33. — 

 Fleming, Brit. Anim. p. 269. — Turton, Manual L. and F. 

 W. Shells, p. 99, pi. 7, f. 80. — Charpent. N. Denks, 

 Schweiz. Ges. Nat. p. 15 (Spliyradium). 

 Helix exigua, Studer, in Coxe, Travels (teste Hartm.) 



Vertigo edentula, Studer, Verz. Schweiz. Conch, p. 89. — Gray, Manual L. and 

 F. W. Shells, p. 199, pi. 7, f. 80. — Thompson, Ann. Nat. 

 Hist. vol. vi. p. 1 13. — Macgilliv. Moll. Aberd. p. 101 . — 

 Brown, Must. Conch. G. B. p. 41, pi. 18, f. 36*.— C. Pfeif. 

 Deutsch. Land und Siissw. MolL. pt. 3, p. 42, pi. 7, f. 28, 

 29. — Michaud, Comp. Drap. Moll. France, p. 72.— Porro, 

 Malac. p. 67. — Held, in Isis, 1836, p. 277. — Rossmassl. 

 Iconog. Land und Siissw. Moll. pt. 10, p. 28, f. 646. 

 „ nitida, Ferus, Prodrom. Moll. p. 68. 

 Helix Ofi'tonemis, Sheppard, Trans. Lin. Soc. vol. xiv. p. 155. 

 Jaminia edentula, Risso, Hist- Nat. l'Europe Mer. vol. iv. p. 89. 

 Turbo edentulus, Wood, Index Testae. Suppl. pi. 6, Turbo, f. 14 (young). 

 Alcea nitida and revoluta, Jeffreys, Trans. Lin. Soc. vol. xvi. pp. 358, 515. 

 Vertigo lepidula, Held, in Isis, 1837, p. 307. 

 Aliza edentula, Beck, Ind. Moll. Mus. Christ. Frid. p. 85. 

 Stomodonta edentula, Mermet, Moll. Pyren. p. 54. 



Shell small, more or less perforated, cylindraceous, but 

 tapering towards the apex, very thin, transparent, glossy, 

 of an uniform horn colour, finely and rather indistinctly 

 wrinkled lengthways. Whorls six or seven, rounded, 

 deeply divided by a but slightly slanting suture, de- 

 cidedly short, the height being considerably less than half 

 the breadth ; antepenult whorl often broader than, and 

 always nearly, if not quite, as wide as the penult mouth, 

 quite as long as it is broad, somewhat quadrant-shaped 

 (the pillar being almost at right angles to the parietal 

 portion of the inner lip), usually not occupying more than 



