Natural Science, vol. vii. 



[Plate Win. 



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Crinoidea. 

 Fig. I. Bathycrinus campbdliamis, P.H.C.; mid-Atlantic, 1,850 fms. ; x 3. 

 Fig. 2. Hyocrinus bethelliantis, Thorns. ; Southern Ocean, 1,600 fms. ; x 2. 

 Fig. 3. Promachocrinus kergxidensis, P.H.C. ; centrodorsal and radials. 

 Fig. 4. Thaumatocrinus renovatus, P.H.C. ; from anal side ; arms and 

 cirri broken off. 



