S20 



EEFEREXCE TO PLATES. 



FIGURE. 



21. Turbo marmoratus, L. Coq. Yiv. t. 1, . 



22, 23. Astralium olfersii, Troschel. Ibid. t. 77, f. 1. la, 

 24, 25. Astralium oHvaceum, Wood. Specimeu, . 



26. Astralium sulcatum, Mart. Specimen, . 



27. Astralium buscbii, Phil. Specimen, 



28. Asti'alium tentoriiforme, (see pi. 60, f. 46.) Specimen. 



29. Turbo fiuctuosus, Wood. Specimen, 



30. 31. Turbo saxosus, Wood. Specimen, 



32. Turbo crassus, Wood. Si^ecimen, .... 



PAGE. 



191 

 226 

 241 

 242 

 241 



210 

 211 

 194 



Plate 60. (Opercula and Radul.e.) 



33. Turbo cornutus, Gmel. Specimen, . 



34. Turbo cornutus, Gmel. (juv.) Specimen, 



35. Turbo s])englerianus, Gmel. Specimen, . 



36. 37. Turbo radiatus, Gmel. Voy. Astrolabe, t. 60, f. 4, 5 



38. Turbo tumidulus, Rve. Specimen, 



39, 40. Astralium rugosum, L. Specimen, . 



41. Turbo petliolatus, L. Specimen, 



42, 43. Astralium tuber, L. Specimen, 



44. Astralium ccx^latum, Gmel. Specimen, . 



45. Astralium americanum, Gmel. Specimen, 



46. Astralium tentoriiforme, Jonas. Specimeu, 



47. Turbo ticaonicus, Rve. Specimen, 



48. Astralium cul^anum, Phil. Specimen, 



49. Turbo porphyrites, Martyn. Specimen, . 



50. Astralium plicatospinosum, Pilsbry, 



51. 52. Leptothyra amussitata, Gld. Specimen, 



53. Turbo filosus, Kn. Specimen, 



54, 55. Leptothyra sang-uinea, L. Specimen, 



56. Leptothyra transenna, Watson. Chellenger, Rept, 



57, 58. Astralium longispiua. Lam. Specimen, . 



59. Astralium lienicum, Watson. Clialleuger Rept. t. f. lie, 



60. Astraluim triumphans, Phil. Ads. Gen. Rec. Moll. t. 44, 



61. Collonia margiiiata, Lam. (shell and operculum.) Desh. 



Coq. Foss. t. 23, f. 18, 20, ... . 



62. Collonia marginata. Lam. Woodwards' Manual, t. 10, f. 



15, 



63. Leptothyra picta, Pse. Am. Jour. Conch, t. 11, f. 3, 



64. Astralium chemnitzi, Val. Voy. Venus t. 2 bis, f. 1, 



65. Leptothyra lieta, IMontr. Specimen, . . . . 



66. Leptothyra carpenteri, Pilsbry. Specimen, 



67. Astralium stellare, Gmel. xlstrolabe, t. 61, f. 6, 7, 



68. 6Sa, Astralium insequale, Martyn. Specimen, 



69. Tricolia fordiana, Pilsbry (jaws.) Specimen, 



70. Orthomesus virgo, Angas. (central, 1st lateral, and 1st, 



2d and 3d marginal teeth.) Specimen, . . . 



71. Lithopoma americanum Gmel. (central tooth.) Specimen, 



210 

 210 

 208 

 200 

 202 

 229 

 193 

 223 

 224 

 224 

 240 

 202 

 225 

 215 

 235 

 250 

 205 

 249 

 262 

 221 

 235 

 228 



246 



246 

 256 

 233 

 258 

 247 

 232 

 244 

 163 



163 

 .186 



