PLATE XX. 



PAGK 



Fig. 1. Granatocrinus cornutus, M. and W 27(5 



Side view, without the arms and column. 



Fig. 2. Platycrintjs Prattenanus, M. and W 2li4 



Side view of body and arms. 



Fig. 3. Platycrintjs plenus, M. and W 207 



Showing body and arms, with a portion of the column. 



Fig. 4. Taxocrinus semiovatus, M. and W 272 



4 a. View of a specimen, with arms and column attached. 



4 b. Enlargement of one ray of same to the second bifurcation. 



Fig. 5. Productus scitulxis, M. and W 280 



5 a. Profile view (striae too coarse). 

 5 b. Enlargement of striae. 



5 c. Ventral view. 



, Stria; too coarse. 



d. Front view. 



Fig. G. Nuculana curta, M. and W 283 



6 a. View of left valve. 



6 b. Surface striae, enlarged. 



Fig. 7. ' Yoldia? levistriata, M. and W 282 



7 a. Left side view. 



1 b. Enlarged surface markings. 



Fig. 8. Orthoceras expansum, M. and W.... 28(5 



8 a. Side view of a specimen, somewhat flattened by pressure at larger end. 

 8 b. Section showing the expanded character of the siphuncle between the 



septa. 

 8 c. Section of the small end, showing the position of the siphuncle. 



