12 DESCRIPTION OF 



. 



PLATE XI. 



Page 

 Fig. 1. ACTINOCRINUS TURBINATUS. 587 



1. Posterior side of specimen, showing arrangement of radial ad anal 



plates. 



. 

 Fig. 2 & 4. ACTINOCRINUS LONGIROSTRIS. 589 



2. A specimen somewhat crushed, but preserving the arms, a large part of 



the proboscis, and a portion of the column. 



2 a, b (by error 4 c and 4 d on some plates). Posterior and postero-lateral 



views of another specimen without arms, column or proboscis. 



Fig. 3. ACTINOCRINUS UMBROSUS. 590 



3 a. Anterior side of specimen. 



3 b. Anal side. 



Fig. 4. ACTINOCRINUS ^BQUALIS. 592 



4 a. Anal side of specimen. 

 4 b. Anterior side of same. 



Fig. 5. ACTINOCRINUS TURBINATUS, var. ELEGANS. 588 



5. View of the anterior side. 



Fig. 6. ACTINOCRINUS VENTRICOSUS. 595 



6 a. View of anal side of specimen. 

 6 6. Anterior side of same. 

 6 c. Base of same specimen. 





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