152 REFERENCE TO PLATES. 



FIGURE. PAQB. 



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. Struthiolaria mirabilis, Smith. Trans. Roy. Soc., 



clxviii, t. 9, f. 3, 134 



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



Conch., f. 442, 99 



