PLANT-ANIMALS, OR ZOOPHYTES. 147 



but all of us, perhaps, at some time or other, have 

 made the acquaintance of their skeletons, or, more 

 accurately, their empty and deserted houses, torn 

 from the rocks by the storm, and cast upon the beach 



FIG. 20. SEA FIR (Serttilaria abietina). 



FIG. 21. 



PORTION MAGNIFIED 



(figs. 20, 21,). Tiny branched, horny, but extremely 

 delicate twigs, by some called "Corallines," but 

 improperly, and by others " Zoophytes," common 

 enough on every shore, especially after rough weather. 



L 2 



