143 



CORRIGENDA. 



Page 6, line 11, from top for mesogl&a read mesogl&a. 

 Page 7, line 7 from top for mesoglcea read mesogl&a. 

 Page 16, line 12 from top for Specialised read Specialized. 

 Page 27, line 14 from top for sponges read Sponges. 

 Page 29, line 10 from bottom for coraZ polyps read 



Page 55, line 4 from top for Perigonimus read Perigoniums. 

 Page 79, line 9 from top for Hinctfs read Hincks*. 



