On the Classification of Actiniaria. 



Part III. — Dofiiiitions connected with the forms dealt with in 



Part 11. 



By 

 T. A. Stephenson, M.Sc. 



University College of Wales, Aberystwyth. 



Contents. 



PAGE 



1. Definitions ......... 247 



2. Appendix .300 



3. List of Literature . . . . . . . . .311 



4. Index to Genera dealt with in Parts II and III . . . 316 



1. Definitions. 



N.B. — In the following pages only a necessary minimum of 

 synonymy is given ; species-lists are not necessarily exhaustive ; 

 and dubious forms are often omitted. Except where stated 

 explicitly, all reasons for the classification here used will be 

 found in Parts I and II. 



Su)3 -class Zoanthactiniaria, Van Bened. 



(As used by Bourne, 1916. pp. 514-15 =Dodecacorallia. 

 Carlgr., Bronn's ' Thierreich ', 1908.) 



Order Dodec actiniaria. 

 (As used by Bourne, 1916, p. 515.) 



8ub-order ACTINIARIA. 



Tribe 1 . P r o t a n t h e a e , Carlgr. 



Founded by Carlgren in 1891 : used here in its original and 

 narrow sense, as covering Gonactinia and Protanthea 

 NO. 262 T 



