16 list of cyclophorltxae. 



3. Cyclophorus tuba. 



Cyclost. tuba Sow. Zool. Proc. 1842, 83., Thes. Conch, i. 122. 



n. 91. t. 27. f. 129, 130. ; Raster, Chemn. Conch. Cab. i. 19. 



t. 23. f. 10, 11. 

 Cycloph. tuba Pfeiffer, 1. c. 107. n. 3. 



a — c. Malacca. From the Collection of Mr. Cuming. 



4. Cyclophorus perdix 



Cyclost. perdix Brod. fy Sow. Zool. Journ. v. 50., Thes. Conch. 



i. 122. n. 90. t. 27. f. 127, 128.; Pfeiffer, Raster, Chemn. Conch. 



Cab. 60. n. 55. i. 19. t. 8. f. 7—9. 

 Cyclost. variegatum Valenc. in Mus. Paris ; Philippi, Abbild. und 



Besch. Conch, i. 5. 104. t. 1. f. 3. 

 Cycloph. perdix Pfeiffer, 1. c. 107. n. 4. 



Hab. Tenasserim. 



5. Cyclophorus validus. 



Cyclost. validum Sow. Proc. Zool. Soc. 1842, 82., Thes. Conch. 



i. 123. n. 93. t. 27. f. 132, 133. ; Pfeiffer, Raster, Chemn. Conch. 



Cab. 89. n. 85. i. 19. t. 11. f. 9, 10., t. 16. f. 15, 16. 

 Cycloph. validus Pfeiffer, 1. c. 107. n. 5. 



a — d. Philippine Islands. From the Collection of Mr. 



Cuming. 

 e. Philippine Islands. Var. From the Collection of Mr. 



Cuming. 

 / — i. Philippine Islands. Var. minor. From the Collection 



of Mr. Cuming. 



6. Cyclophorus aquila. 



Cyclost. aquilum Sow. Proc. Zool. Soc. 1843, 6L, Thes. Conch, i. 



123. n. 92. t. 27. f. 131. ; Pfeiffer, Raster, Chemn. Conch. Cab. 



14. n. 5. i. 19. t. 2. f. 1, 2. i. 19. t. 8 f. 1, 2. 

 Cycloph. aquila Pfeiffer, 1. c. 107. n. 6. 



a, b. Singapore. From the Collection of Mr. Cuming. 



c. Singapore. Presented by the Earl of Derby. 



d, e. China. Presented by G. Tradescant Lay, Esq. 



7. Cyclophorus volvulus. 



Cyclost. volvulus (pars) Lamck. An. s. Vert. 2d ed. viii. 353., 

 Encyc. Meth. t. 461. f. 5. a, b. ; Sow. Thes. Conch, i. 121. n. 89. 

 t. 26. f. 126. ; Pfeiffer, Raster, Chemn. Conch. Cab. 27 n. 19. 

 i. 19 t. 3. f. 1, 2. t. 4. f. 3, 4. ; Besh. Enc. Meth. Vers. ii. 39. 

 n. 2. ; var. Grat. Act. Soc. Linn. Bord. xi. 435. t. 3. f. 1. 



