306 J- Playfair McMubrich, The Actiniae of the Plate Collection. 



Fig. 78 u. 79. Cribrina herinaphrodüica (Carlgren). 1:1. 

 Fig. 80. Transverse section of the margin and spbincter of C. 

 hermaphroditiea . 



Plate 19. 



Fig. 81. Transverse section of a first cycle mesentery of ('. herm- 

 aphroditica, taken below the level of the stomatodaeum. 



Fig. 82. Cribrina elongata n. sp. 1:1. 



Fig. 83. Transverse section of the sphincter of C. elongata. 



Fig. 84. Transverse section of a first cycle mesentery of C. elongata. 



Fig. 85. Colony of Epizoanthns patagojiichus Carlgren. 1:1. 



Fig. 86. Transverse section through the sphincter of E. patagonichus. 



Fig. 87. Single polyp and colony of Parazoanthus elongatusn. sp. 1:1. 



Fig. 88. Transverse section through a portion of the column wall 

 of P. elongatus showing portions of the ring sinus. 



Fig. 89. Transverse section through the margin of P. elongatus. 



