PLATE 58. 



Fig. 1. 285. 17. Endocekas 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. 



Fig. 2. 89. 1. Oemoceeas tenuifilum ? (Pag. 222.) 



2 a. Part of a siphuncle, with a small portion of the shell adhering. 



2 6. 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. ' 



