PLATE LXXVIII. 



Pace 



Talarockinus sexlobatus (Slmniard) 784 



Fig. la. Posterior view of a specimen from Flagpont, Va. ('y ). (Coll. \V. and Sp.) 

 U. Ventral aspect of the same specimen ('}"'). 

 Ic. Dorsal view of the calyx. (Coll. W. and Sp.) 



Talarocrinus ovATiTS Worthen 7S7 



2n. Posterior view of the type specimen (Y)- (Illinois St. Coll.) 

 2b. Ventral aspect of the same specimen ('/). 



Talarocrinus decornis W. and Sp 788 



3a. Posterior view of the type specimen ('/). (Coll. W. and Sp.) 



3b. Ventral aspect of the same ('/ ). 



3c. Specimen with arms ('y). (Same collection.) 



Talarocrinus stmmetricus (Cass, and Lyon) 780 



4a. Posterior view of the calyx ('/). (Coll. W. and Sp.) 



45. Ventral aspect of the same specimen Qf). ' 



5. Posterior view of type ('/). (Coll. S. S. Lyon.) 



Talarocrinus cornigerus (Shumard) 78.3 



6rt. Posterior view of a specimen from Pulaski Co., Ky. (Coll. \V. and Sp.) 



Gi';. Ventral aspect of the same specimen (V^)- 



Til. Anterior view of the type specimen, from Alabama (V'). (JIus. Washington 



University, St. Louis.) 

 71/. Ventral aspect of the same ('f). 



Talarocrinus simplex (Shumard) 790 



Sa. Anterior view of the dorsal cup (Y). (Coll. W. and Sp.) 

 8b. Dorsal aspect of a larger specimen. (Same collection.) 



Talarocrinus sp. (?) 



9a. Posterior view of a specimen from Pulaski Co., Ky. Q-f). Perliaps an ab- 

 normal specimen of T. sexlobatKS. (Coll. AV. and Sp.) 

 9b. Oral plates of the same Qf). 



Hexacrinus occibentalis W. and Sp. ... ... 7 lo 



10. Anterior view of the type specimen. (Mus. Davenport Acad. Nat. Sci.) 



