REFERENCE TO PLATES. 239 



FIOURB. PAGE. 



13, 14. Cypraea (Trivia) radians, Lam. Sowb., Thes. 



Conch., f. 420, 422, 202 



15. 16. Cypnea (Trivia) Solandri, Gray. Sowb., Thes. 



Cyp.,f. 418,419, 202 



17. Cyprsea (Trivia) corrugata, Pease (= exigna). Amer. 



Jour. Conch., 1868, t. 11, f. 14, . . . . 202 



18, 19. Cyprsea (Trivia) Californica, Gray. Sowb., Thes. 



Conch., f. 425,426, 202 



20. Cypraea (Trivia) Californica, Gray. Animal. Am. 



Naturalist, vi, p. 733, f 146, . ' . . . .202 



21, 22. Cypraea (Trivia) sanguinea, Gray. Sowb., Thes. 



Cyp., f. 483, 485, 203 



23, 24. Cypraea (Trivia) Maugeri, Gray. Sowb., Thes. 



Conch., f. 450,451, 203 



25, 26. Cypraea (Trivia) producta. Gask. Sowb., Thes. 



Cyp., f. 495,496, 204 



27, 28. Cypraea (Trivia) rubinicolor, Gask. Sowb., Thes. 



Conch., f. 500,501, 204 



29, 30. Cypraea (Trivia) pisum, Gask. Sowb., Thes. Cyp., 



448, 449, 203 



31, 32. Cypraea (Trivia) pellucidula, Gask. Sowb., Thes. 



Cyp., f. 498, 499, 204 



33, 34. Cypraea (Trivia) caudidula, Gask. Sowb., Thes. 



Conch., f. 508, 509, 203 



35, 36. Cypraea (Trivia) fusca, Gray. Sowb., Thes. Conch., 



f. 487, 488, . . 203 



37. Cypraea (Trivia) depauperata, Sowb. (= Californica). 



Thes. Cyp., f. 423, . . .202 



38, 39. Cypraea (Trivia) subrostrata, Gray. Sowb., Thes. 



Conch., f. 480, 481, 203 



PLATE 23. 



40, 41. Cypraea (Trivia) affinis, Marratt. Sowb., Thes. 



Cyp., f. 464, 465, . .... 204 



42, 43. Cyprasa (Trivia) rubescens, Gray. Sowb., Thes. 



Conch., f. 506, 507, .204 



44, 45. Cypraea (Trivia) formosa, Gask. Sowb., Thes. 



Conch., f. 518*, 519, .204 



46, 47. Cypraea (Trivia) multilirata, Sowb. Sowb., Thes. 



Cyp., f. 427,521, 204 



48, 49. Cypraea (Trivia) Europaea, Mont. Sowb., Thes. 



Cyp., f. 503,504, .205 



50, 51. Cypraea (Trivia) Europaea, Mont. (Young Shells). 



Sowb., Thes., f. 527, 528, 205 



52. Cypraea (Trivia) napolina, Duel. Sowb., Thes. Conch., 



f. 505, 206 



