152 REFERENCE TO PLATES. 



FIGURE. PAGE. 



38. Struthiolaria sulcata, Jonas (= gigas). Archiv fiir 



Naturg., t. 9, f. 5, 1839 .134 



39, 40. Struthiolaria oblita, Sowb. (=: scutulata). Thes. 



Conch., f. 15, 14, .... . 134 



41. Struthiolana mirabilis, Smith. Trans. Roy. Soc., 



clxviii, t. 9, f. 3, . 134 



42. Struthiolaria costulata, Martens. Fischer, Man. de 



Conch., f. 442, . 99 



