s 
CYCLOBRANCHIATA,. 
8. C. amiculatus, Pallas, Nov. Act. Pet. v. 2. p- 241. pl. 7. f. 26-30. 
Amicula ? Gray. 
9. C. apiculatus, Sowerby, Conch. Illus. f. 140. 
10. C. armatus, Nuttall, Jay’s Cat. of Shells, p- 37. no. 76. 
11. C. articulatus, Sowerby, Pro. Z. S.1832; Conch. Illus. f. 18. 
12. C. atratus, Sowerby, Conch. Illus. f. 57, 58. 
13. C. australis, Sowerby, Conch. Illus. p. 44. f. 46. 
14. C. Barnesii, Gray ; Sowerby, Conch. Illus. p. 38. f. 2. 
15. C. bicostatus, D’ Orbigny, Voy. dans ! Amér. mérid. pl. 81. f. 7-9. 
16. C. bipunctatus, Sowerby, Pro. Z. 8.1832; Conch. IIL. p. 41. f. 27. 
17. C. biramosus, Quoy, Voy. del’ Astr. v. 3. p. 378. 
18. C. Blainvillii, Broderip ; Sowerby, Conch. Illus. f. 6. 
19. C. Bowenii, King; Sowerby, Conch. Illus. f. 37. 
20. C. brevispinosus, Sowerby, Conch. Illus, f. 136. 
21. C. Cajetanus, Poli, Test. Siciliz, v. 1. pl. 4. f. 1. 
22. C. Californicus, Nuttall; Jay’s Cat. of Shells, p. 37. no. 68. 
93. C. canaliculatus, Quoy, Voy. del’ Astr. v. 3. pl. 75. f. 37-42. 
24. C. cancellatus, Leach ; Sowerby, Conch. Illus. f. 104, 105. 
25. C. castaneus, Quoy, Voy. de l’Astr. v. 3. pl. 74. f. 33, 34. 
26. C. eatenulatus, Sowerby, Pro. Z. 8. 1832; Conch. Illus. f. 145. 
27. C. Chilensis, Frembly, Zool. Journ. v. 3. p. 203. pl. 17. f. 6. 
28. C. Chiloensis, Sowerby, Pro. Z.S. 1832; Conch. Illus. p. 39.f.11. 
29. C. ciliatus, Sowerby, Conch. Illus. f. 79. 
30. C. cinereus, Linneus; Sowerby, Conch. Illus. f. 94-98. 
Chiton cimex, var. Chemnitz. 
31. C. coarctatus, Sowerby, Pro. Zool. Soc. 1841. p. 62. 
32. C. Columbiensis, Sowerby, Pro. Z. 8.1832; Con. Illus. p. 40. £15. 
33. C. concinnus, Sowerby, Conch. Illus. f.117, 118. 
34. C. Coquimbensis, Frembly, Z. J. v. 3. p. 197. pl. (supp.) 16. f. 2. 
35. C. erenulatus, Broderip, Pro. Z. 8.1832 ; Sow. Conch. Ill. f. 43. 
36. C. crinitus, Pennant; Sowerby, Conch. Illus. f. 88, 93. 
Chiton fascicularis, Sowerby. 
¥%37. C. Cumingii, Frembly, Zool. J. v. 3. p. 198. pl. (supp.) 16. f. 3. 
X38. C. cymbiola, Sowerby, Mag. N. H. June 1840; C.I. f. 45,85, 86. 
Chiton tulipa, Quoy and Gaimard. 
39. C. Danielli, Sowerby, Conch. Illus. p. 44. f.48. 
40. C. disjunctus, Mrembly, Zool. J. v. 3. p. 303. pl. (supp.) 17. f. 5. 
41. C. dispar, Sowerby, Pro.Z.S. 1832; Couch. Illus. f. 25. 
42. C. echinatus, Sowerby, Conch. Illus. f. 47. 
4.3. C. elegans, F'rembly, Zool. Journ, v. 3. p. 204. pt. (supp.) 17. f. 6. 
