CONCHOLOGY. 

 PLATE CXLIX. 



BULLA ACHATINA, var. MARGINATA 

 MARGINATE PARTRIDGE BULLA 



Univalve. 



GENERIC CHARACTER. 



Shell convolute unarmed or toothless : aperture somewhat 

 coarctate, oblong longitudinal and very entire at the base :. pillar 

 oblique and smooth. 



SPECIFIC CHARACTER. 



Shell ovate-oblong, ventricose, tip rosy, fulvous with longitudinal 

 chesnut-coloured waves: pillar lip violet purple : lip within white. 



BULLA ACHATINA : testa ovato oblonga, ventricosa, apice rosea ; 



fulva flammis longitudinalibus undulatis spa- 

 diceis ; columella purpurea- violacea ; labro 

 albo. 



Bulla Ach ATIN A : testa ovata : apertura obovata apice sanguineis 

 columella truncata. — Linn.Mus. Lud. Ulr. 589. 

 7i. 225. — Gmel. Syst. Nat. 3431. Sp. 32. 

 Seba Mus. 3. 71./ 1— 5. et 7.— 10. 



Achatina Perdix : Lamarck An, s. Vert. t. 6. n. 2. p. 127. 1. 



