PLATE LXXI. 



PAGE 



Farrea occa (Bowerbank), Carter, . . .277 



(Erroneously named Farrea haeckelii on the Plate.) 



Fig. 1. Lateral view of a specimen, preserved in alcohol, from a photograph ; 

 natural size. 



Fig. 2. Upper view of a specimen, preserved in alcohol, from a photograph; 

 natural size. 



Fig. 3. Transverse section of the tube-wall (combination figure) ; x 100. 



Fig. 4. Uncinatum with few bent spines ; x 450. 



Figs. 5, 9. Dermal clavulse with club-shaped head, hemispherically arched umbel 

 and tuberculate stalk ; x 450. 



Fig. 6. Dermal pentact with somewhat inwardly bent tangential rays, tuberculate 

 on the outer side ; x 100. 



Fig. 7. Oxyhexaster with long principal, and small, divergent, terminal rays ; 

 X 450. 



Figs. 8, 10. Gastral clavulse with anchor-like six-spined head, and without rough- 

 ness on the main part of the stalk ; x 450. 



