DESCRIPTION OF THE PLATES. 



All the figures give a dorsal view, and are taken from the colored drawings in the 

 collection of Professor Agassiz, made from living specimens by J. Burkuardt and 

 A. Garrett. 



PLATE I. 



Figs. 1, 2. ITemipholis coi'difera Lyman, f. 



" 3. Ilemipholis cordifera Lyman, ^. 



" 4, 5. Ophiopholis bellis Lyman, f . 



" 6. Ophiopholis bellis Lyman, ^. 



" 7. Ophiura Holmesii Lyman, ^. 



PLATE II. 



Figs. 1, 2. Ophiothrix angidata Ay res, about f. 



" 3. Ophiothrix angulata Ayres, ^. 



" 4. Ophiolepis Garretti Lyman, ^. 



" 5. Ophiolepis elegans Liitken, f . 



" 6. Ophiomyxa flaccida Lutken, ^. 



