PLATE VIII. 



Page 

 Barrandeoceinus sceptkum Augel 4s4 



Fig. 1. Sliowing arrangement of the plates in the calyx, and structure of arms and 

 pinnules. (Drawn by Mr. G. Liljevall from a specimen from Gotland in 

 the Zool. Eiks Mus. at Stockholm) (f). 



Ckotaloorinus pulcher (Hisinger) 104 



2. A specimen from Gotland, showing the net formed arms. (Coll. W. and Sp.) 



Crotalocrinus n. sp 104 



3. The tegmen of a specimen from Gotland; drawn by Mr. G. Liljevall (Zool. 



Elks Mus., Stockholm) (f). 



Crotalocrinus rugosus (J. S. Miller) 104 



4. Tegmen of a fine specimen from Dudley, Eng. (',-•). (Coll. W. and Sp.) 



Taxocrinus intermedius W. and Sp 118, 12.3 



5a. Showing the pavement of the ventral disk, and the pouches along the free 



rays. Antero-lateral view. 

 5b. Posterior view. (Coll. W. and Sp.) 



FoEBEsiocRiNus NOBiLis de Kon. and le Hon 87, 88 



(Plates showing the fossse along the edges.) 

 6a. Distal face of the axillary costal (y). 

 6i. Proximal face of the same (V). 

 6c. Lateral face of an interradial plate (V). (Same collection.) 



Symbathoceinus Swallovi Hall l."G 



7. A specimen with arms, from the Keokuk group of Canton, Ind. (Coll. W. 



and Sp.) 



Symbathocrinus WAciisMuxni M. and W 89 



8. A specimen with the arms removed at the posterior side, exposing some of 



the plates of the anal tube, and the asymmetrical orals. (Coll. W. and Sp.) 



9. Another specimen also showing the orals, and the base of the anal tube (?). 



(Same collection.) 



PisooRiNUS (sp. nndot.) 1,36 



10. Lateral view of a specimen with arms from Tennessee. (V) (^Coll. W. 



and Sp.) 

 (This figure was drawn hy ^Fr. Keyos in 1880, from a specimen found by us 

 in Western Tennessee in 1SS3. INlr. S. A. ]\Iillor, in the 17th Eeport of 



