456 REFERENCE TO PLATES. 



FIGURE. PAGE. 



100. Bittium lacertinum, 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 philomelse, Watson. (= pigrum). Ibid, xv, t. 



41, f. 2, 153 



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



5. Bittium Lawleyanum, Crosse. Jour, de Conch., 1. 1, f. 4, 



1863, . 154 



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



f. 5, . ^ . . .154 



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



140, 153 



8. Bittium attenuatum, Carp. Specimen 153 



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



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



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



lenger, xv, t. 41, f. 6, 153- 



12. Bittium Oosimense, Watson. Ibid., t. 39, f. 1, . . . 156 



13. Bittium turritelliformis, An gas. Zool. Proc., t. 26 f. 14 



1877, 154 



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



15. Bittium Amboynense, Watson. Ibid, xv, t. 40, f. 5, .156 



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



17. Bittium pusillum, Dunker. (= perpusillum). Moll. Japan, 



t. 2, f. 6, 154 



18. Bittium cylindricum, Watson. Voy. Challenger, xv, t. 



39, f. 5, 156 



19. Bittium glariosuin, Gould. Conch. Icon., f. 131, . . 155 



20. Bittium parcum, Gould. Ibid., f. 125, . . . . 155, 



21. Bittium Peruvianum, Orb. Voy. Amer., t. 77, f. 9, . 15& 



22. Bittium pupiforme, Watson. Voy. Challenger, xv, t. 41, 



3, . . . 156- 



23. Bittium plumbeum, Sowb. Thes. Conch., f. 293, . .155 



24. Bittium xanthum, Watson. Voy. Challenger, xv, t. 38, f, 6, 157 



PLATE 31. 



25. Bittium pusillum, Gould. Moll. Wilkes' Exped., f. 172, . 155 



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



27. Bittium furvum, Watson. Voy. Challenger, xv, t. 38, f. 5, 157 



28. Bittium porcellanum, Watson. Ibid, xv, t. 38, f. 8, . 157 



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



30. Bittium leucocephalum, Watson. Ibid, xv, t. 38, f. 7, . 157 



31. Potamides ebeninus, Brug. Conch. Icon. Potamides, f. 2b, 15& 



32. Potamides Pacificus, Sowb. Ibid., f. la, . . . . 158- 



33. Potamides Lamarckii, Val. Kiener, Iconog., t. 27, f. 3, . 159- 



34. Potamides fuscatus, Linn. Conch. Icon. Tyrnp., f. 3, . 159> 

 85. Potamides radula, Linn. Ibid., f. 4, . . . . 159* 



