239 



CHAP. XVI. 



ARTICULATA, OR JOINTED ANIMALS MARINE WORMS, 

 ETC. 



Their Structure. Tubicolae and Serpulse, &c. Nereis. 

 Seamouse. 



WE have supposed our admirers of the sea-shore 

 and its productions to classify the objects of their 

 attention, in other words, to observe them not in a 

 miscellaneous manner, but in the order prescribed 

 by natural history, this being for a variety of rea- 

 sons the most advantageous. 



According to this plan we presume our readers 

 to have discovered various specimens of the lowest 

 rank of animated beings, which, as already stated, 

 are grouped together in the great sub-kingdom of 

 the Radiata, and proceeding with this plan of 

 observation, we now arrive at another great sub- 

 division, called the Articulata. 



The Articulata, or Articulated Animals, are so 

 called from the Latin word signifying a joint, 

 and they are therefore jointed animals, as distin- 

 guished from those which are called Radiata, as 

 being constructed in rays, in the manner already 

 described. It is by no means easy in all cases 

 for an observer not already instructed upon the 

 subject, to ascertain on what principles the term 



