82 EXPLANATION OF PLATES 48. 49. 



Tubercles which appear on the surface of Fig. 6. 

 (Original.) 

 X. Orifice of the Mouth. 



Plate 48. V. I. p. 317. 



Lily Encrinite, (Encrinites moniliformis,) from the Mus- 

 chel-kalk, near Gottingen ; in the Cabinet of the Marquis of 

 Northampton. (Original.) 



Plate 49. V. I. p. 318. Note. 



All the Figures in this Plate except, Fig. .3, are taken 

 from the Petrefacten of Dr. Goldfuss, PI. LIII. and PI. 

 LIV. They are so fully explained in our Vol. I. p. 317 

 and Notes, as to supersede the necessity of any further de- 

 tailed description. 



Fig. 1. Restoration of the body and vertebral column of 

 Encrinites moniliformis. 



Fig. 2. Base of attachment. 



Fig. 3. Portion of the summit of a vertebral column. 

 (Original.) 



Fig. 4. Longitudinal section of Fig. 3. magnified. (See 

 V. I. p. 319. Note.) 



Figs. 5, 7, 9. Joints from different parts of the vertebral 

 column, showing the manner in which the articu- 

 lating surfaces are crenulated to admit of flexure. 



Figs. 6, 8, 10. Vertical sections through the axis of Figs. 

 5, 7, 9. showing the forms of the internal cavity for 

 the alimentary canal. 



11 — 26. Profile and view of the articulating surfaces of 

 joints, from various parts of the vertebral column. 

 (See V. I. p. 320. Note.) 



