256 HELIX 8. 74. 75. 
1662. H. rugata Pease. | 
« T. lentieularis, umbilicata, oblique et irregulariter rugosulo- 
striata et striis spiralibus decussata; spira parum elevata, apice 
obtuso; anfr. 5, tumidiusculi, ultimus ad peripheriam acute ca- 
rinatus, basi convexiusculus, ad umbilicum rotunde angulatus; 
umbilicus !4 diametri subaequans; apertura subrhomboidea, 
lamellis duabus conspicuis parietalibus, unica parva in supero, 
dentibus lamellaeformibus tribus in labio. Fusco et pallide fulvo 
tessellata. — Diam. 5, alt. 2 mill.» (P.) 
Helio rugata Harper Pease in Tryom Amer. journ. Conch. Il. 
1866. p. 291. 
Endodonta rugata Pease in Proc. Zool. Soc. 4871. p. 474. 
Habitat in insulis Sandwich. 
* 
1669. Leimonias (Bulimus) Gray. (Coll 637.) IIl. 144. IV. 453. 
V. 224. — Nova Seelandia. 
8. 75. 
1664. Helenensis Forb. ill. 144. IV. 154. V. 220, — Heliv Alexandri 
Forb., polyodon G. W. Sowerby. — ns. St. Helena. 
1665. Cutteri Pfr. (Coll. 638.) IV. 155. V. 220. — Ins. St. Helena. 
1666. retunsa Pease. (Coll. 639.) V. 220, —  Pitys relunsa Pease in 
Proc. Zool. Soc. 1871. p. 475. — Taheiti. 
1667. H. imperforeta (Pithys) Pease. ]- 
« T. imperforata vel vix rimato-perforata, orbicularis, te- 
nuiuscula, radiatim confertim costulata, flavido et rufo radiatim 
tessellato-strigata, strigis ad peripheriam et basin flexuosis; 
spira vix elevata, obtusa; sutura impressa; anfr. 6, convexi, 
ultimus ad peripheriam rotundatus; apertura obliqua, lunaris, 
lamelliis 3 munita, 4 in pariete aperturali, 2 in margine basali; 
perist. simplex, columella eversa, callosa. — Diam. 4, alt. 
2 mill.» (P.) 
Pithys inperforata. Harper Pease in Crosse Journ. Conch. XVIII. 
1870. p. 394. 
Pitys imperforata, Pease in Proc. Zool. Soc. 1871. p. 453. 
Habitat in insula Aitutake. 
Obs. «Haec species, H. oparica Ant. et rotula Hombr. & Jacq. uni- 
cae generis sunt imperforatae. Ab H. rotula, cui proxima, difTert numero 
majore anfractuum, costis radiantibus distinctioribus et strigis rubellis 
angulatis super basin productis.» 
* 
1668. contorta F'ér. (Coll 640.) I. 185. HI. 144. IV. 455. V. 220. — 
Patula Pütel Cat. p. 89. —  Pitys contorta Pease in Proc. Zool. 
Soc. 4874. p. 474. — Ins. Sandwich. 
