- 61 — 



Htiliiiicllii T(ipp(ini((iiu , H. II. A. Adams, The Genera of lecent Mollusca, Vul. II, London, 



1858, pag. 138. 



, , Pfeiffer, Mon. Hei. viv., Bd. IV, 1S59, pag. 523, No. 26. 



Partuiimi , v. Martens, Albers Heliceen, II. Aufl., 1860, pag. 243. 



„ , Pfeiffer, Mon. Hei. viv., Bd. VI, 1868, pag. 166, No. 31. 



„ „ Pease, Proc. Zool. Soc. London, Part 42, 1869, pag. 647. 



Bulimella „ Pfeiffer, Mon. Hei. viv., Bd. VIII, 1877, pag. 217, No. 33. 



Achatinella „ Nevill, Hand List of Mollusca, Indian Museum, Calcutta, Part I, 1S78, 



pag. 155, No. 57. 



Bulimella „ Clessin, Nom. Hei. viv., 1881, pag. 306, No. 33. 



Partulina , Hartman, Catalog, Proc. Acad. Nat. Scienc. Philadelphia, 1888, pag. 27. 



Bulimella , Paetel, Katalog, 4. Aufl. 1889, II. Abt. pag. 275. 



Partulina „ Baldwin, Catalog of the Hawaiian Land- and Freshwater Shells, Honolulu, 



1893, pag. 7- 

 „ „ Sykes, Fauna Moll. Hawaiiensis, 1900, pag. 318, No. 67. 



C. B. Adams, Annais Lyc. New- York, L c. : „Achatinella Tappaniana." — „Shell 

 reversed, elongate ovate-conic : pure white, with one narrow brown spiral band on the 

 periphery of the last whorl : A\ith very unequal and irregulär transverse Striae, and nume- 

 rous excessively minute wrinkled spiral impressed lines : apex subacute : spire elongate, with 

 the outlines a little curvilinear : whorls nearly seven, moderately convex, and more or less 

 subangular, margined above, with a well impressed suture : aperture ovate ; lip well thickened 

 with in the margin, expanded much anteriorly but not above; columellar fold strong." 



„Mean divergence 43"; length 1.06 inch; breadth 0.55 inch; length of aperture 

 0.44 inch." 



„Var. ,dubiosa' diff ers in being a little more ventricose ; its whorls are not margined 

 above, and the brown stripe is replaced by two fine paler brown lines, below which one 

 or two other yet finer lines may be seen." 



„Habitat, Sandwich Islands." 



,,This beautiful species is nomed in honor of Hon. Benjamin Tappan, of Ohio." 



„Achatinella Tappaniana." — ,,Testa sinistrorsa, elongato-ovato-conica, inaequaliter 

 et irregulariter striata et lineis spiralibus numerosis, subtilissimis, rugosis, impressis sculpta, 

 alba, fascia i angusta, brunnea peripherica ornata ; apex subacutus ; spira elongata, sub- 

 curvilinearis ; anfr. fere 7 modice convexi, magis minusve subangulares, superne marginati; 

 sutura bene impressa ; apertura ovalis ; labrum intus incrassatum, antice, nee superne ex- 

 pansum; plica columellaris valida." 



„Diverg. media 43*'; long. 1,06, lat. 0,55, long, apert. 0,44." 



„ ß. ,,dubiosa", paulo ventrosior, anfractibus superne non marginatis." 



„Habitat in insulis Sandwich." 



Gehäuse linksgewunden, länglich eiförmig konisch, ungleich und unregelmäßig ge- 

 streift und mit zahlreichen spiralen, sehr feinen, rauhen, eingedrückten Linien versehen, 

 Grundfarbe weiß, mit einem schmalen, braunen Bande an der Peripherie geziert; Apex 

 ziemlich spitz; Spira länglich, etwas gekrümmtlinig ; Umgänge fast 7, mäßig gewölbt, mehr 

 oder wenig schwach kantig, oben gerandet ; Naht deutlich eingedrückt ; Mündung oval ; 

 Mundsaum innen verdickt; vorne, nicht nach oben erweitert; Columellarfalte kräftig." 



