54. 



TUBULATA. 



446 



Helix tribns anfraflibus longitudinaliter ftriatis. Lin. Trans, 

 iii. p. 67. (Adams.) 



Obs. Singularis hac in fpecie efi conflruBio, nam tejla, 

 umbilici loco, tiibo marginato qui extra, tejlce fuperjiciem 

 extenditur, injlruda ejl. Fig. 35. 36. 



Shell with three longitudinally ftriate whorls, and a 

 margined tube at the bafe, in the place of an umbilicus, 

 extending beyond the furface of the fhell. Turt. Lin. 

 iv. p. 525. 



55. 

 Variegata. 



Helix tefta Issvi quatuor anfraftlbus, primo ventricofiore, 

 lineis rubris notatis. Lin Trans, iii. p. 67. (Adams.) 



Obs. Bafi ivipcrforata. Tejlafub-pellucida, aperiurcc 

 margine patcntijjima. 



Shell imperforate, fub-pellucid, fmooth, with red 

 lines : whorls four, the firft more ventricofe : margin of 

 the aperture very much fprcad. Turt. Lin. iv. p- 531- 



56. 

 Fasciata. 



Helix tefta laevi tribus anfraclibus, primo ventricofiore, i'ub- 

 umbilicata, apertura ampliaia. Lin. Trans, v. t. 1. f. 20. 

 2\. (Adams.) 



Obs. This delicate fpecies is pellucid white ; firft fpire 

 marked Vi^ith three tranfverfe belts of a rich marone co- 

 iour, the middle one broad, the lateral ones narrow. 



Shell 



