PLATE I. 



Figs. 1-3. Promachocrinus kerguelensis, n. sp., x 



Fig. 1. a. The calyx from the side, ..... 



b. The radial circlet from above, .... 



c. The radial circlet from beneath, .... 



(The central portion of the rosette is broken away.) 



d. The centro-dorsal from above, .... 



Fig. 2. a. Internal aspect of an "interradial radial," with a portion of 

 the basal star attached to it, . 

 b. Lateral view of the same, .... 



Fig. 3. a. Lateral view of an ordinary radial, . 



b. Internal aspect of the same, 



c. Dorsal aspect of the same, with the impression of the basal 



star at its inner end, .... 



Figs. 4, 5, Promachocrinus abyssorum, n. sp., 



Fig. 4. Lateral view of an ordinary radial, 



Fig. 5. The centro-dorsal from above, .... 



349 

 349 



349 

 349 



349 



351 

 349 



Figs. 6, 7. Antedon Antarctica, n. sp. 



Fig. 6. a. The calyx from the side, .... 



b. The calyx from above, .... 



c. Dorsal aspect of the radial pentagon and basal star, 

 d. 1 Ventral aspect of the centro-dorsal, 



Fig. 7. An isolated basal, ..... 



a. Ventral aspect, ...... 



b. Dorsal aspect, ..... 



Fig. 8. Antedon eschrichti, Mull., sp. 



Fig. 8. a. The calyx from the side, .... 

 a. The calyx from above, .... 



c. Dorsal aspect of the radial pentagon and basal star, 



d. Ventral aspect of the centro-dorsal, 



Wrongly lettered 6a. 



