22 CYCLOTUS §. 5-8. 



arctispirum. — Diam. maj. 9, min. l^j^, alt. 5 mill. Ap. 

 4 mill. longa, 31/3 lata. (Mus. Cuming. et Coll. Nr. 23.) 

 Cijclostoma Mac<jdl\vTayl (Cyciotus) Pfr. in Proc. Zool. Soc. 1855. 

 p. 103. 

 Habitat iii insula Aneiteum Novarum Hebridarum (Macgilli- 

 vray) et in Nova Georgia. 



37. C soriliclus Pfi*. 



T. umbilicata , conoideo - depressa , solidula , levissime et 

 confertim spiraliter lirata, sub epidermide decidua, fulvida sor- 

 dide alba; spira conoidea, mucronata ; anfr. 4 convexi, cele- 

 riter accrescentes, ultiinus teres, antice vix adnatus; apertura 

 parum obliqua, subcircularis; perist. siraplex, continuum, vix 

 expansiusculum. — Operc. planum, albidum. — Diam. maj. 

 71/2, min. 6 1/3, alt. 41/2 mill. Ap. diam. 3 mill. (Mus. Cu- 

 ming.) 



Cyclustoma sordiuwn (Cyclotus) Pfr. in Proc. Zool. Soc. 1855. p. 103. 

 Habitat in China. 



§. 6. 



38. COIloicleil» Pfr. (Coll. 24. — Gray Phan. p. 19. — 



Morch Yold. p. 39. n. 801. — Ad. Gen. p. 275. — 



Cyclost. spurcuin Soir.) , . . . Mon. p. 33. 



39. scalaris Pfr. (Proc. 1851. p. 250. — Ch. ed. 



nov. p. 320. — Gray Phan. p. 20. - Ad. Gen. 



p. 275.) - - 35. 



40. triliratlis Pfr- (Coll. 25. — Cydost. trdiratum 



Ch. ed. nov. p. 363. t. 47. f. 8— 'lO. — Cyclopho- 

 rus trdiratus Pfr. Mon. n. 39. — Gray Phan. 

 p. 52. — Ad. Geii. p. 280. — Operculnm C. sub- 

 striali, anfractibus vix perspicuis. — Var. : Cyclost. 

 (puidrifdosuin Hens. in Ann. and Mag. 2d. ser. X. 

 p. 270. — Cijclophorus qiiadrifdosus Pfr. in Malak. 

 BI. 1854. p.' 84.) - - 76. 



§. 7. 



41.? HebraicilS lies». -J- ( Valvata Ihbraica Less.~ 



Cyclost. fapua Quoy. — Cycl papoua Hombr. 



et Jacq. Voy. PorSiid. Zool.' V. p. 49.) . . . . - - 35. 

 42. iiiisilliis Sow. (CoII. 26. — Gray Phan. p. 20. — 



Ad Gen. p. 275. — /?. Major, albidus ; diam. maj. 



15, min. 1 1 '/2 > ^^^- 6 m\\\. in prov. Lagunensi ins. 



Luzon.) - - 34. 



43. ? volviiloides §ow. (Thes. t. 31 B. f. 312. 

 313. — Ch. ed. nov. p. 249. — Gray Phan. p. 17. — 

 Ad. Gen. p. 275.) ' - - 30. 



