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