ZOOLOGY. 



ORDER IV. 



ZoovHYT A.-^ZOOFIIYTES, 



This like the preceding order, has its characters t^iken 

 from the tenements or habitations, and not from the Ankr-ial 

 inhabitants. The order is divided into Zoophytes^ ^hich 

 are soft and naked, and Li/thopht/ies^ which are covered 

 •with a hard coat. 



Animals compound ; efflorescing like vegetables, 



1. Tuhipora. Tubipore. Animal a Nereis', coral com- 



posed of erect, hollow, cylindrical, parallel tubes. 



2. Medrepora. M adrepore. Inhabitant a Medusa ; coral 



with star-shaped cavities. There are five families of 

 this genus, * stars single ; with numerous separate 

 stars^ and continued gills ; *** with numerous united 

 stars ; aggregate, undivided, with distinct starsp 



and porous, tuberculated, prominent undulations; 

 ***** branched v/ith distinct starsy and tuberculated 

 porous undulations* 



3. Millepora. Millepore. Animal a Polype or Hydra; 



coral mostly branched, and covered with cylindrical 

 pores. 



4. Cellepora. Cellepore. Animal a Polype or Hydra ; 



coral somewhat membranaceous, composed of round 

 cdls. 



