44 SMITHSONIAN INSTITUTION 



PLATE XIX 

 (All figures natural size except where otherwise stated) 



PACE 



Figs. 1-3. Sagenocrinus expansus (Phillips), continued 21S 



Fig. la. Specimen from Gotland, almost rotund ; original of Angelin, pi. 15, fig. 8, and pi. 27, 

 figs. 8a, 6, from left posterior interradius. Riks Museum. Follingbo (/). 



lb. Anal side of same. 



2. Flattened specimen from Gotland, from which Angelin's pi. 28, fig. 8, showing coils of the 

 arms, was composed; 1. post. view. Same collection. 



3a. Slightly flattened specimen from Follingbo (/), Gotland, original of Angelin, pi. 15, fig. 6; 

 1. post, interradial view. Same collection. 



36. Anal side of same. 



3c. Left posterior ray of same. X I- 



Wenlock Gr. ; Silurian. England, Gotland. 



Fig. 4. Sagenocrinus clarki n. sp 220 



Fig. 40. Mature specimen much crushed, with arms and stem attached, left anterior view ; showing 

 the sharp median ridges along the brachial plates. Author's collection. 

 4&. Detail of part of anal side, showing form of RA. 

 4c. A IIBr, enlarged, showing form of median ridge. X 2. 



4d. Outline restoration of crown, showing actual contour of undistorted specimen. 

 Niagaran (Brownsport) ; Silurian. Decaturville, Tennessee. 



Fig. 5. Sagenocrinus americanus Springer 221 



Fig. 5. The type, posterior view. Shows the large BB, sinuous sutures, small arms, and RA 

 above ring of BB. Author's collection. 

 Niagaran (Waldron shale) ; Silurian. Waldron, Indiana. 



