PLATE XLIX. 



Page 

 Megistocrinus abnoemis Lyon 546 



Pig, la. Dorsal aspect of the calyx. (Coll. W. and Sp.) 

 IS. Lateral view of the same specimen. 

 Ic. Ventral aspect of another specimen. (Same collection.) 



Megistocrinus depeessus Hall , . . 5-10 



2. A specimen from New York. (Coll. A. S. Tiffany.) 



3. Side view of a specimen from Louisville. (Coll. W. and Sp.) 



io. Dorsal aspect of a specimen from New York. (State Mus. Nat. Hist. N. Y.) 

 4b. Ventral aspect of another specimen. (Same collection.) 

 4c. Portion of the arms. (Same collection.) 



4f7. Dorsal aspect of a small specimen from New York, showing the ornamenta- 

 tion. (Coll. W. and Sp.) 



Megistockinus nodosus Barris 541 



5a. Lateral view of the type specimen. (Mus. Davenport Acad. Nat. Sci.) 

 5b. Ventral aspect of another specimen. (Same collection.) 



Megistocrinus multidecoeatus Barris 642 



6. Lateral aspect of the type specimen. (Same collection.) 



