250 HELIX §. 105. 



1604. argillacca Fer. (CoU. 837. — Desh. in Enc. 



meth. II. p. 229. n. 39. — Rv. n. 413. t. 79. — 

 Rouss. Pol Sud. p. 13. — Galaxias Ad. Gen. p. 189. 

 — Pfr. Vers. p. 134. — H. cyclostomopsis Lea, 

 Pfr. Mon. I. p. 321.) ' Mon. III. p. 21 8. 



1605. Jannellci Guill. -J. - I. - 322. 



1606. H. Bajadcra Pfr. 



T. sinistrorsa, umbilicata, globulosa, tenuiuscula, late et 

 grosse plicata , diaphana , virenti- vel rubello-cornea ; spira 

 conoidea, obtusula; anfr. 4 turgidi, rapide accrescentes, ulti- 

 mus magnus, descendens, peripheria magis minusve distincte 

 angulatus, basi juxta umbilicum angustum, vix pervium com- 

 pressus; apertura diagonahs, lunato-rotundata, intus nitida; 

 perist. album, marginibus conniventibus, externo breviter re- 

 flexo, columellari superne in laminam triangularem fornicatam 

 dilatato. — Diam. maj. 23^2, min. 19, alt. 17 mill. (Mus. 

 Cuming.) 



Helix Bajadera Pfr. Mon. Hel. ffl. p. 52. n. 152. 



— — Reeve Conch. ic. n. 388. t. 75. 



— — Chemn. ed. nov. III. p. 344. 

 Nanitia Bajadera Gray Cat. Pulm. p. 78. 



— — (Ariophanta) Pfr. Vers. p. \%t. 



Habitat in BengaHa. 



Obs. Nonne H. Ammonia Val., Desh. (1830) sit specimen minus 

 adultum nostrae speciei? 



1607. H. plcctilis Bcnson. 



T. subobtecte perforata, globulosa, fusco-albida, opaca, 

 valde rugosa , superne rugis perobhquis elevatis , angulato- 

 flexuosis, irregularibus, subtus versus umbilicum tenuioribus, 

 rectis, radiatis sculpta; spira elevatiuscula, apice obtusa; anfr. 

 4 convexi, subangulati, ultimus antice deflexus; apertura dia- 

 gonalis, subcircularis ; perist. undique expansum, reflexius- 

 culum , marginibus conniventibus , approximatis , callo tenui 

 junctis, columellari fornicato, late reflexo, umbilicum plus rai- 

 nusve obtegente. — Diam. maj. 14^2, min. 12, alt. 9 mill. 

 (Mus. Cuming.) 



Helix plectiUs Bens. in Ann. and Mag. 2 d. ser. XI. p. 29. 



— — Reeve Conch. ic. n. 1162. t. 172. 



— — (Galaxias) Pfr. Vers. p. 134. 



— paleata Reeve Conch. ic. n. 1399. t. 199. 

 Cochlea plectilis H. ct A. Adams Gen. II. p. 197. 



llabitat ad oras sinus « Shark's Bay » Australiae occidentalis 

 (Benson), Sv^an-River. 



