LIST OF CYCLOPHORIDiE. 

 10. Cyclotus HEBRAICUS. 



Valvata hebraica Lesson, Voy. Coquille, Zool. ii. 347. t. 13. f. 8. 

 Cyclost. distomella Pfeiffer, Kuster, Chemn. Conch. Cab. 95. n. 91 

 Cyclost. papua Quoy fr Gaim. Voy. Astr. ii. 185. t. 12. f. 23—26. 

 Aper. hebraicum Pfeiff. 1. c. 104. 17. 



Hab. New Guinea? 



11. Cyclotus discoideus. 



Cyclost. discoideum Sow. Thes. Conch, i. 111. n. 60. t. 25. f. 87, 



88. ; Kuster, Chemn. Conch. Cab. i. 19- 1. 20. f. 1 — 3. 

 Aper. discoideum Pfeiff. 1. c. 104. 19. 



Hab. Demerara. 



12. Cyclotus mucronatus. 



Cyclost. mucronatum Sow. Proc. ZooL Soc. 1843, 63., Thes. Conch. 



i. 113. n. 66. t. 25. f. 91. ; Pfeiffer, Kuster, Chemn. Conch. Cab. 



58. n. 52. i. 19. t. 7. f. 11—13. 

 Aper. mucronatum Pfeiff. 1. c. 104. 20. 



a — i. Calauang in Lucon. From the Collection of Mr. 

 Cuming. 



13. Cyclotus ? atramentarius. 



Cyclost. atramentarium Sow. Thes. Conch, i. 128. n. 105. t. 30. f. 

 236. ; Pfeiffer, 1. c. 106. 78.; Kuster, Chemn. Conch. Cab. i. 19. 

 t. 18. f. 17, 18. 



Hab. ? 



14. Cyclotus planorbulus. 



Cyclost. planorbulum Lamck. Enc. Meth. t. 461. f. 3., An. s. Vert. 



2ded. via. 353. n. 1. ; Sow. Thes. Conch, i. 110. n. 58. t.25. f. 83 



— 86.; Desh. Enc. Meth. Vers. ii. 39. n. 1.; Kuster, Chemn. 



Conch. Cab. i. 19. t. 22. f. 6—16. 

 Cornu venatorium Chemn. Conch. Cab. ix. 104. t. 127. f. 1132 — 



1133.; Gmel. Syst. Nat. 3641. n. 227.?; Petiver, Gazoph. t. 1. 



f.6. 

 Aper. planorbulum Pfeiff. 1. c. 104. n. 18. a. b. 

 Cyclot. planorbulus Gray, Proc. Z. Soc. 1847, 182. 



a. Philippine Islands. Large. 



b — d. Philippine Islands. Small. From the Collection of 

 Mr. Cuming. 



