PLATE 58. 
Fig. 1. 285. 17. ENDOCERAS DISTANS. . (Pag. 220.) 
1 a. A weathered cast of a fragment of this species. 
1 6. Transverse section of the smaller extremity of the same, showing the large siphuncle. 
Fig. 2. 89. 1. OrmocERAs TENUIFILUM? (Pag. 222.) 
2a. Part of a siphuncle, with a small portion of the shell adhering. 
26. A fragment worn down on one side somewhat obliquely, showing the siphuncle in the lower part of the 
figure. 
2c. Section of the same. 
