16 HELIX §. 7. 8. 



67. H. rotula Jacquinot. •{• 



T. imperforata, depressa, laevigata, pallide cornea, superne 



rufo-radiata; spira piana; anfr. 4 sensim accrescentes, ultimus 



rotundatus, non descendens; apertura lunaris; perist. simplex, 



reclum. — Diam. maj. 8^3, min. 3 mill. (Ex icone. An adult.?) 



Helix rotula Hombr. et Jacq. Voy. Pol Sud. Zool. V. p. 42. 



t. H." f. 1—4. 



— — (Microcystis) Pfr. Vers. p. 123. 



Habitat in insula Mangareva. 



§. 8. 



68. H. pagodula Pfr. 



T. imperforata, gradato-conoidea, solidula, opaca, striatula 

 el lincis impressis nonnullis obsoletis spiralibus sculpta, sub 

 epidermide decidua fulva albida; spira conoidea, apice obtu- 

 sula; anfr. 6^2, superi plani, 3 ultimi carina compressa, acuta, 

 subelevata muniti, ultimus subrecedens, basi parum convexus; 

 apertura subdiagonalis, angulato-lunaris; perist. simplex, mar- 

 ginibus distantibus, supero brevi recto, basali ad insertionem 

 subdilatato, adnato. — Diam. maj. 15, min. 14, alt. 9 mill. 

 (Mus. Cuming.) 



Helix pagodula Pfr. m Proc Zool. Soc. 1854. p. 145. 



— — Reeve Conch. ic. n. 1359. t. 194. 



— — (Trochomorpha) Pfr. Vers. p. 132. 



Habitat . . .? 



69. rectangula Pfr. (Coll. 36. — Rv. n. 615. t. 109. 



— Trochomorpha Pfr. Vers. p. 1 32. — H. hapa 

 Jacq., Rouss. p. 27. — Zonites rectang. [Trocho- 

 morpha] Ad. Gen. p. 115. — Nanina rectangala 



Gray Cat. Pulm. p. 126.) Mon. III. p. 36. 



70. conus Phil. (Coll. 37. — Rv. n. 490. t. 91. — 



Tiocliofnorpha Pfr. Vers. p. 132. — Zonites conus 

 [Trochomorpha] Ad. Gen. p. 115.) - - - 36. 



71. conicoides Metc. (Proc. ^851. p. 71. — Rv. 



n. 449. t. 84. — Ch. ed. nov. III. p. 448. — 

 Microcysiis Pfr. Vers. p. 123. — Nanina coni- 



coidcs Gray Cat. Pulm. p. 120.) - - - 37. 



12. Lychnia Bens. (Coll. 38. — Bens. 1. c. p. 349. 



— Rv. n. 1161. t. 172. — Microcystis Pfr. Vers. 

 p. 123. — Nanina lychnia Gray Cat. Pulra. 



p. 93.) " - - - 626. 



73. ornatclla Bcck. (Coll. 39. — Rv. t. 107. f. sgeb. 



— Ch. ed. nov. III. p. 318. — Microcysfis Pfr. 

 Vers. p. 123. — H. realis Miihlf. — Nanina orna- 

 tella Grai/ Cat. Pulm. p. 134. — Microcystis Ad. 



Gen. p. 224.) - - - 38. 



