Explanation of Plate LXXXVII. 



Habrocrinus farrixgtoni sp. nov., page 296. 



Fig. 1. Oblique view from below showing base and right posterior ray 

 of a composition impression of a natural mold in the collection of Walker 

 Museum, University of Chicago. X 1. 



Fig. 2. Posterior view of the same. X i. 



Fig. 3. Lateral view of a composition impression of the natural mold of 

 the type specimen. Xi. 



Figs. 4, 5. Lateral and posterior views of the natural cast of the type 

 specimen. Xi. 



Habrocrinus benedicti S. A. Miller, page 295. 

 Fig. 6. Lateral view of the natural cast. X 1. 



Fig. 7. Lateral view of a rubber impression of a part of the natural mold 

 of the same individual, showing the ornamentation of the plates. Xi. 



Habrocrinus lemontensis sp. nov., page 297. 

 Figs. 8, 9. Basal and lateral views of a composition impression of the 

 natural mold of the type. X 1. 



Fig. 10. Posterior view of the natural cast of the same individual. Xi. 



