^66 300L0GT. 



ORDEH IV, 



ZoovHYTA.—ZOOPH YTES. 



This like the preceding order, has its characters taken 

 from the tenements or habitations, and not from the Animal 

 inhabitants. The order is divided into Zoophi/tes, which 

 are soft and naked, and Li/ihophi/ies, which are covered 

 with a hard coat. 



Animals compound ; efflorescing like vegetables. 



1. Tubipora. Tubipore. Animal a Nereis; coral com- 



posed of erect, hollow, cylindrical, parallel tubes. 



■1 



2. Medrepora. Madrepore. Inhabitant a Medusa ; coral 



with star-shaped cavities. There are five families of 

 this genus, * stars single ; ** with numerous separate 

 sfflr*, and continued gills', *** with numerous united 

 stars; **** aggregate, undivided, with distinct 5^arj, 

 and porous, tuberculated, prominent undulations ; 

 ***** branched with distinct siars^ and tuberculated 

 porous undulations. 



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



coral mostly branched, and covered with cylindrical 

 pores. 



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



coral somewhat membranaceous, composed of round 

 cells. 



