456 REFERENCE TO PLATES. 



FIGURE. PAGE. 



100. Bittium laccrtinum, Gould. Conch. Icon., f. 129, . . 155- 



1. Bittium enode, Watson. Voy. Challenger, xv, t. 39, f. 3, 152 



2. Bittium luscinae, Watson. (= pigrum). Ibid, xv, t. 41, 



f. 1, 153 



3. Bittium phBomeifo, Watson. (= pigrum). Ibid, xv, t. 



41, f. 2, 153 



4. Bittium piirrum, Watson. Ibid, xv, t. 40, f. 7, . . 153 



5. Bittium Lawlcvanum, Crosse. Jour, de Conch., t. l.f. 4, 



L863, . ... . . 154 



6. Bittium delicutum, Watson. Voy. Challenger, xv, t. 41, 



f. ->,.. ....... 154 



7. Bittium ruiratum, Carp. (== asperum). Conch. Icon., f. 



140, . . . .153 



8. Bittium attenuatum, Carp. Specimen 153 



9. Bittium tricarinatum, Pease. Conch. Icon., f. 127, . 154 



10. Bittium alutaccuin, Gould. Ibid., f. 142, . . . 154 



11. Bittium sedonicum, Watson. ( pigrum). Voy. Chal- 



li'Miivr. xv, t. 41, f. 6, ....... l.">:> 



12. Bittium Ooeimense, Watson. Ibid., t. :',!), I'. 1, . . . i:,<; 



13. Bittium turritcllitormis, Aniras. Zool. Proc., t. 26, f. 14. 



1*77, 154 



14. Bittium diplax, Watson. Voy. Challenger, xv, t. 38, f.4, 156 

 !.">. Bittium Amboyncn.M', Watson. Ibid, xv, t. 40, f. 5, . 156 



16. Bittium esuriens, Carp. Specimen. .... 153 



17. l)itiiiim pusilliim, Dunker. (= perpnsillum). Moll. Japan, 



t. 2, 6 154 



18. Bittium cylindricum, \\'atson. Voy. Challenger, xv, t. 



; ( .'. f.6, i.-,() 



19. Bittium glariosum, Gould. Conch. Icon.,. 131, . . 155 



20. Bittium parcum, Gould Ibid., f. 1 25, . . . .155 



21. Bittium IVruvianum, ( )rl>. Voy. Amor., t. 77, f. 9, . 153 

 L'L'. Hittimn pu]iiformo. Watson. Voy. Cliallcn-vr, xv, t. -41. 



r. -; 156 



23. Bittium plumbeum, 80 Wb. Thee. Conch., 293, . . 1 .").'> 



24 IJittium xanthum, Wat.-. n. Voy. Challcn-vr, xv, t. 38, f,6, 157 



PLATE 31. 



25. Bittium pusillum, (ic.uld. Moll. Wilkos' Kxj.cd., f. 172, . 155 



26. Bittium altum, Sowb, Conch. Icon., f 126, . . .156 



27. Bittium f'urviim, Wat.-.m. Voy. Challenger, xv, 1 38, 5, 157 



28. Bittium porcellanum, Watson, Ibid, xv, t 38, f. 8, . i:7 



29. Bittium perparvulum, Wateon. Ibid, xv, t. 38, f. 3, . 157 



30. Bittium Icuc.x-cplialum. Watson. Ibid. \\\ t. :;.s. f. 7, . 157 



31. PotamidcsclK'iiinus, Bni^. Condi. Icon. Potamidcs, 1'. 2b, 158 



32. I'otaniidcs 1'aciticus. S.i\vb. Ibid., t'. la, .... 158 



33. Potamidcs Lamarckii, Val. Kiciicr. Innioj., t. 27, 3, . 159 



34. Potamides fuscatus. Linn. Conch. Icon. Tymp., f. 3, . 159 



35. Potamides radula, Linn. Ibid., 4, . . . . 159 



