PUPA. 103 



P. EDENTULA, Drapai'iiaud. 



Minute, cylindrical ; wrinkles indistinct ; mouth toothless ; 

 outer lip simple, not reflected. 



Plate ex XX. 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. Denies, 

 Schweiz. Gas. Nat. p. 1 5 (Sphyradium), 

 ffelix exigtia, Studer, in Coxe, Travels (teste Hartm.) 



Vfirfiiio etientula, 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. 113. — Macgilliv. Moll. Aberd. p. 101. — 

 Brown, Illust. 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 SUssw. Moll. pt. 10, p. 28, f. 646. 

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

 Helix OJftonensis, Sheppard, Trans. Lin. Soc. vol. xiv. p. 155. 

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

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

 Alaa nitida and revohita, Jeffreys, Trans. Lin. Soc. vol. xvi. pp. 358, 515, 

 Vertigo lepidida,H'RhD, in Isis, 1837, p. 307. 

 Aliea 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 



