PLATE 85. 
Fig. 1. 371. 18. ENnpocERAS 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. 
1b, ec. Specimens of the smaller extremity of the fossil. 
1d. A fragment and sections of the two extremities, showing an elliptical form, which is due to pressure. 
le. A similar fragment of the same form. 1 f. A smaller fragment, with sections circular. 
Fig. 2. 372. 26. OnrtnHoceras (Species undetermined ). (Pag. 311.) 
Fig. 3. 373. 27. ORTHOCERAS CORALLIFERUM. (Pag. 312.) 
A large specimen, extremely compressed, from the Utica slate. 
