Polypes, 



G-eneral remarks on (Polypes Their Organization 

 and (Polypidom -JTaturalists who have -written upon 

 (Polypes Hydra fusoa and H. viridis I^eproduc- 

 tion of (Polypes (Polypes for the Aquarium Ooral- 

 liubm, nobilis, and general observations on Goral Its 

 (Polypidom (Practical details concerning- Coral 

 Coralliculture Goral Fishery Uses of Goral Isis 

 hippuris, or Articulated Coral Tubipora musica 

 The g'enus Jtfadrepora f^eefs and Goral Islands 

 Formation of I^eefs Jvfadrepora muricata Its 

 Ghemical Composition How it derives its Lime 

 Its uses. 



