PLATE 85. 
Fig. 1. 371. 18. Endoceras proteiforme? (Pag* 311.) 
1 a. A specimen preserving a large part of the outer chamber. The longitudinal groove is due to pressure 
which has broken the shell, the broken edges curving inwards. 
1 b, c. Specimens of the smaller extremity of the fossil. 
1 d. A fragment and sections of the two extremities, showing an elliptical form, which is due to pressure. 
1 e. A similar fragment of the same form. 1 f. A smaller fragment, with sections circular. 
Fig. 2. 372. 26. Orthoceras (Species undetermined). (Pag. 311.) 
Fig. 3. 373. 27. Orthoceras coralliferum. (Pag. 312.) 
A large specimen, extremely compressed, from the Utica slate. 
