ACHATINELLA 8. 1. 455 



XI. Acliatinella Swainson. 



De generis detinitione nil est, quod observationibus in 

 Monogr. L p. XX. prolatis addam. Conf. Albers Helic. p. 188 

 et Reeve Monoyr. in Conch. ic. 1850. — Synon. IlcUcteres Gray 

 in Proc. Zool. Soc. 1847. p. 178. N. 487. 



Species hodie notae sic distribuendae erunt: 



1 . Normales : 



a. ovatae §. 1 . Nr. i — 15. 



b. conico-oblongae §.2. — 16—40. 



c. turritae §.3. — 41 — 47. 



2. .\bnormes ad Achatinam accedentes (corneae) §. 4. — 48—53. 



I. A. magna Adams. ^ 



T. crassa, ovato-conica , elongata, inaequaliter, irregula- 

 riter et ruditer striata, apice nigro-fusca, medio rufo-fusca, in 

 anfr. uitimis cinerea; apex subacutus; spira sublonga, curvi- 

 linearis; sutura bene impressa; anfr. 7 convexiusculi, surami 

 confertim arcuato-costati, ultimus obtuse angularis, basi lineis 

 indistinctis elevatis spiralibus munitus; apertura ovalis, superne 

 acuta, intus calloso-incrassata; plica columellaris permagna, 

 compressa. — Diverg. media 50°; long. 1,33, lat. 0,7, long. 

 apert. 0,61". (Ad.) 



Achatinella magna Adams in Ann. Lyc New-York V. p. 41 et 

 Contrib. to Conchol. N. 8. p. 125. 

 Habitat . . .? 



2. taeniolata Pfr. {Reeve N. 7. t. 1.) Mon. II. p. 239. 



3. viridans Migh. (Coll. 1. — Chenm. ed. II. Bul. 



t. 67. f. 16. 17. — Ach. radiata Reeve N. 35. t. 5.) - - - 240. 



4. A. marmorata Gould. •{• 



T. oblongo-ovata, coloribus castaneis, cinereis et albidis 

 marmorata, leviter striata, imperforata ; spira acuta; anfr. 6 

 convexi, superne subtabulati, ultimus magnus, ventricosus; 

 apertura ovata; perist. simplex, niodice evasum; plica colu- 

 mellaris alba, compressa, fere transversa, valde exstans. — 

 Long. Vs, lat. %". (G.) 



Achatinella marmorata Gould in Proc. Bost. Soc. 1848. p. 200 

 et Exped. shells p. 34. Ed. 1851. p. 85. f. 94. 



Habitat in montibus Haleakala ins. Maui Sandwich. 



