DESCRIPTION OF 11 



PLATE X. 



Page 

 Fig. 1. ACTINOCRINUS CORNICULUS. 566 



1 a. Anterior side of specimen. 

 1 b. The anal side of specimen. 



1 c. The base, showing the narrow rim of basal plates surrounding the 



column, and the tirst radial plates in the same plane. 



Fig. 2. ACTINOCRINUS SUBACULEATUS. 570 



2 a. Anal side. 



2 b. Anterior side, viewed against the left interbrachial space. 



Fig. 3. ACTINOCRINUS BREVIS. 567 



3 a. Anal side of the specimen. 



3 b. Basal view of the same. 



Fig. 4. ACTINOCRINUS BREVICORNIS. 571 



4 a. Anal side of specimen. 



4 b. Anterior side of the same. 



Fig. 5. ACTINOCRINUS UNICORNIS. 568 



5 a. Anal side of specimen. Two arm-bases only on each side are shown in 



the figure. 

 5 b. Anterior view of same specimen. 



5 c. Base of the same. 



Fig. 6. ACTINOCRINUS PENTAGONUS. 577 



6 a. Anterior side of specimen. 



6 b. Posterior side of the same. 



Fig. 7. ACTINOCRINUS VERRUCOSUS. 578 



7 a. Anterior side of specimen. 



7 b. Posterior view of the same. 



Fig. 8. ACTINOCRINUS SYMMETRICUS. 574 



8 a. Anal side of specimen. 



8 b. Anterior side showing one pair of arms. 



Fig. 9. ACTINOCRINUS MULTIRADIATUS. 579 



9. Anterior view of specimen. 



Fig. 10. ACTINOCRINUS MULTIBRACHIATUS. 580 



10. View of anterior side of specimen, showing the body with part of the 

 column and proboscis, with a portion of the arms of the opposite side. 



Fig. 11. ACTINOCRINUS SCULPTUS. 582 



11 a. View of specimen, looking upon the postero -lateral ray, the anal 



side being upon the right. 

 11 b. Anterior side of specimen. 



Fig. 12. ACTINOCRINUS ORNATUS. 583 



12. View of the anterior side, the specimen being slightly compressed. 



Fig. 13. ACTINOORINUS PROBOSCIDIALIS. 584 



13. Anterior side of specimen. 



Fig. 14. ACTINOCRINUS CCELATUS. 585 



14 a. Left postero-lateral side, partially showing the anal side [the speci- 

 men slightly distorted] . 

 14 b. Antero-lateral view of the same specimen. 



