PLATE 63 



1. Dentalium laqueatum Verrill. 29 mm. p, 72. 



2. Dentalium ceratum Uall . Very young. 7 mm. 



3. Dentalium carduus Dt.ll. 16 mm. p. 71. 



4. Dentalium gouldii obscurum. 28 mm. p. 72. 



5. Cadulus quadrldentatus Dall, and outline of aperture. 10 mm. p. 73. 



6. Dentalium perlongum Dall, and outline of aperture. 80 mm. p. 72. 



7. Caoulus c.mlantus Dall. 5.75 mm. p. 73. 



8. Caoulus lunula Dall, and outline of aperture. 6 mm. p. 73. 



9. Cadulus aequalis Dall, and outline of aperture. 15 mm. p. 73. 



10. Dentali'om callithrix Dall. 25 mm. p. 71. 



11. Cadulus acus Dall. 8 mm. p. 73. 



ISa. Cadulus watsoni Dall, and outline of aperture. 20 mm. p. 73. 



12b. Dentalium callipeplum Dall. 36 mm. p. 71. 



12c. Cadulus agassizii Dall, and outline of aperture. 9 mm. p. 73. 



12d. Cadulus cucurbita Dall, and outline of aperture. 4 mm. p. 73. 



