20 list of cyclophorid^e. 



20. Cyclophorus lingulatus. 



Cyclost. lingulatum Sow. Thes. Conch, i. 126. n. 101. t. 29. f. 208 



—210. ; Kuster, Chemn. Conch. Cab. i. 19. t. 23. f. 6—9. 

 Cyclophorus lingulatus Pfeiffer, 1. c. 107. n. 15. 



a, b. Philippine Islands. From the Collection of Mr. Cuming. 

 c — p. Different varieties. From the Collection of Mr. Cuming. 



*** Axis imperforated. 



21. Cyclophorus turbo. 



Cyclost. turbo Sow. Thes. Conch, i. 116. n. 75. t. 25. f. 102, 103. ; 



Pfeiffer, Kuster, Chemn. Conch. Cab. i. 19. t. 19. f. 4, 5. 

 Cyclost. maculosa Jay, Cat. of Shells, 122. t. 7. f. 9, 10. 

 Trochus turbo Chemn. Conch. Cab. ix. 153. t. 122. f. 1059. 

 Cycloph. turbo Pfeiffer, 1. c 108. n. 19. 



a. Sumatra. 



22. Cyclophorus ictericus. 



Cyclost. ictericum Sow. Thes. Conch, i. 131. n. 113. t. 31. f. 268, 



269. ; Pfeiffer, Kuster, Chemn. Conch. Cab, i. 19. t 19. f. 8, 9. 

 Cycloph. ictericus Pfeiffer, 1. c. 108. n. 20. 



Hab. ? 



§§ Depressed. 



* Peristome expanded. Axis umbilicated, open. 



23. Cyclophorus oculus capri. 



Cyclost. oculus capri Gray in Brit Mus. ; Sow. Thes. Conch, i. 



115. n. 73. t. 25. f. 96.; Reeve, Conch. Syst t. 184. f. 11.; 



Pfeiffer, Kuster, Chemn. Conch. Cab. 26/n. 18. i. 19. t. 3. f. 5, 6. 

 Helix oculus capri Wood, Ind. Test. t. 32. f. 7. 

 Cyclost. volvulus (pars) Lamck. viii. ed. 2d. 353, n. 2. 

 Cyclost. Rafflesii Sow. Zool. Journ. v. 50. 

 Cyclost. indica Desh. Belang. Voy. 415. t. 1. f. 4, 5. ; Lamck. An. s. 



Vert. 2d. ed. 363. n. 28. ; Miiller, Synops. 38.; Philippi, Abbild. 



und Beschr. Conch, i. 5. 103. t. 1. f. 2. 

 Cycloph.? oculus capri Pfeiffer, 1. c. 108. n. 23. 



a, b. ? 



c, d. (Nearly smooth on last whorl.) 



24. Cyclophorus semisulcatus. 



Cyclost. semisulcatum Sow. Proc. Zool. Soc. 1843, 62., Thes. 



Conch, i. 124. n. 96. t. 25. f. 99.; Pfeiffer, Kuster, Chemn. Conch. 



Cab. 86. n. 81. i. 19. t. 11. f. 1, 2. 

 Cycloph. semisulcatus Pfeiffer, 1. c. 108. n. 24. 



