PLATE XXXV. 



Poteriocbinus TENSUS, Whidbome. (Page 226.) 

 Fig. 

 1. Gutta-percha cast of a specimen, showing the dorsal cup (much injured), the 

 branching of the arms, and fragments of the anal tube, X 2. {The plates 

 between the cup and the first bifurcations of the arms have been restored in this 

 figure, and perhaps incorrectly.) 1 a, portion of one of the arms, X 5. 

 Barnstaple. Woodwardian Museum. 

 2. Another gutta-percha cast, taken subsequently from the same specimen, 

 showing the opposite side of the dorsal cup, X 2. Barnstaple. Wood- 

 wardian Museum. 



Poteriocbinus Babumensis, Whidbome. (Page 227.) 



3. Specimen, showing the plates of the dorsal cup and the arms, and having a 

 curious deformity in the stem, X 2. Top Orchard Quarry. Woodwardian 

 Museum. 



Potebiocrinus, sp. (Page 228.) 



-1. A large detached ventral sac, nat. size. Braunton. Museum of Practical 

 Geology. 



5. Specimen, showing one arm, part of the ventral sac, and some plates of the 

 dorsal cup, nat. size. 5«, portion of the arm, showing an armlet which 

 appears to bear pinnules, X 5. Barnstaple. Woodwardian Museum. 



Scaphiocrinus ? inordinatus, n. sp. (Page 230.) 



6. Specimen, showing the dorsal cup and arms, X 2. 6 a, portion of one of the 

 arms, showing the pinnules, X 7. Barnstaple. Woodwardian Museum. 



