420 



THE CANADIAN NATURALIST. 

 Fig. 51. 



52^ 



a 9 



[De 



Alcyonium rubiforme, Dana, (Gaspe,) (a) Polyp expanded ; (b) 

 Polyp contracted. 



Fig. 66. 



Ctanea Arctic a, Per. and Les. reduced, 

 (a) Hydroid progemy. 

 (6y Strobila. 



