PLATE VIII. 



Page 

 Barkandeocrinus sceptrum Augel 484 



Fig. 1. Showing 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. Riks Mus. at Stockholm) (f ). 



Crotalocrinus puI/Cher (Hisinger) 164 



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



Crotalocrinus n. sp 1G4 



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



Riks Mus., Stockholm) (2). 



Crotalocrinus rugosus (J. S. Miller) 1G4 



4. Tegmen of a fine specimen from Dudley, Eng. (\-i). (Coll. "\V. and Sp.) 



Taxoceinus inteemedius W. and Sp 118, 123 



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.) 



FoRBESiocRiNus NOBiLis dc Kon. and le Hon 87, 88 



(Plates showing the fossae along the edges.) 

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

 6b. Proximal face of the same (i,*). 

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



Stmbathocrinus Swallovi Hall 136 



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



and Sp.) 



Symbathocrinus Wachsmuthi M. and W 89 



8. A specimen with the arras 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 (f). 



(Same collection.) 



PisocEiNus (sp. undet.) 136 



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



and Sp.) 

 (This figure was drawn by Mr. Keyes in 1886, from a specimen found by us 

 in Western Tennessee in 1883. Mr. S. A. Miller, in the 17th Report of 



