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ZOOPHYTOLOGY. 



DESCRIPTION OF FIGUEES. 

 Plate III. 



Fig. 



1. — Portion of polyzoary of Onchopora hirsuta in the younger condition. 



2.— Ditto, older. 



3, 4, 5. — Disposition of the cells at an articulation. 



6. — Natural size. 



Plate IV. 



1. — Portion of polyzoary of Oncliox>ora tubulosu. 



1 (a). — Natural size. 



2, 3. — 0. mutica. 



3 (a). — Natural size. 



4. — Eschara cervkornis ? in the younger part of the polyzoary. 



5. — An older portion. 



6. — One still older, in which the cells are quite immersed. 



7. — Natural size. 



