12 BULLETIN 111, UNITED STATES NATIONAL MUSEUM. 



Group of D. occidentale: 



Dentalium {Antalis) entale stimpsoni, new name, page 35. 



Dentalium (Antalis) agile subagile, new subspecies, page 38. 



Dentalium (Antalis) occidentale Stimpson, 1851, page 40. 



Dentalium (Antalis) occidentale occidentale Stimpson, 1851, page 41. 



Dentalium (Antalis) occidentale georgiense, new name, pase 43. 

 Group of D. antillarum: 



Dentalium (Antalis) antillarum Orbigny 1846, page 44. 



Dentalium (Antalis) pseudohexagonum Ihering, page 46. 



Dentalium (Antalis) disparile Orbigny, 1846, page 47. 

 Group of D. ceratum: 



Dentalium (Antalis) ceratum Dall, 1881, page 49. 



Dentalium (Antalis) ceratum ceratum Dall, 1881, page 50. 



Dentalium (Antalis) ceratum flavum, new subspecies, page 51. 



Dentalium (Antalis) tenax, new subspecies, page 52. 



Dentalium (Antalis) taphrium Dall, 1889, page 53. 

 Group of D. bartletti: 



Dentalium (Antalis) bartletti, new species, page 55. 



Dentalium (Antalis) tubulatum, new species, page 56. 

 Dentalium, (Heteroschisma) callithrix Dall, 1889, page 57. 

 Dentalium (Heteroschisma) subterfissum Je&rejs, 1877, page 58. 

 Dentalium (Fissidentalium) amphialum Watson, 1879, page 59. 

 Dentalium (Fissidentalium) meridionale Pilsbry and Sharp, 1897, page 59. 

 Dentalium (Fissidentalium) meridionale meridionale Pilsbry and Sharp, 1897, page 61. 

 Dentalium (Fissidentalium) meridionale jamaicense, new subspecies, page 62. 

 Dentalium (Fissidentalium) meridionale verrilli, new name, page 62. 

 Dentalium (Fissidentalium) floridense, new species, page 64. 

 Dentalium (Graptacme) eboreum Conrad, 1846, page 66. 

 Dentalium (Graptacme) circumcinctum Watson, 1879, page 68. 

 Dentalium (Graptanne) semistriolatum Guilding, 1834, page 69. 

 Dentalium (Graptacme.) amaliense, new species, page 71. 

 Dentalium (Graptacme) sericatum Dall, 1881, page 71. 

 Dentalium (Graptacme) calamus Dall, 1889, page 72. 

 Dentalium (Laevidentalium) callipeplum Dall, 1889, page 74. 

 Dentalium (Laevidentalium) perlongum Dall, 1881, page 75. 

 Dentalium (Laevidentalium) liodon Pilsbry and Sharp, 1897, page 76. 

 Dentalium (Laevidentalium) liodon liodon Pilsbry and Sharp, 1897, page 76. 

 Dentalium (Laevidentalium) liodon alloschismum Pilsbry and Sharp, 1897, page 77 

 Dentalium (Episiphon) sowerbyi Guilding, 1834, page 77. 

 Dentalium (Episiphon) sowerbyi sowerbyi Guilding, 1834, page 79. 

 Dentalium (Episiphon) sowerbyi pellictri, new subspecies, page 80. 

 Dentalium (Bathoxiphus) ensiculus Jeffreys, 1877, page 81. 

 Dentalium (Bathoxiphus) didymum Watson, 1879, page 83. 

 Dentalium. (Com.pressidens) pressum Pilsbry and Sharp, 1897, page 83. 

 Dentalium (Compressidens) ophiodon Dall, 1881, page 84. 

 Dentalium (Fustiaria) stenoschisum Pilsbry and Sharp, 1897, page 86. 

 Entalina platamodes Watson, 1879, page 87. 

 Entalina quadrata, new species, page 88. 

 Siphonodentalium. lobatum Sowerby, 1860, page 89. 

 Siphonodentalium striatinum new species, page 90. 

 Siphonodentalium tytthwn Watson, 1879, page 91. 

 Siphonodentalium verrilli, new species, page 91. 

 Siphonodentalium (Pulsellum) occidentale, new species, page 93. 

 Siphonodentalium (Pulsellum) bushi, new species, page 94. 

 Cadulus (Polyschides) tetraschistus Watson, 1879, page 97. 

 Cadulus (Polyschides) quadridentatus Dall 1881, page 97. 



