62 



TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



in one isolated patch only (see Sketch Map) and were often 

 not present in appreciable numbers at neap tides. They both 

 disappeared before the tide reached them. The discolouration 



Bz 



EX 



A = Polykr.kos Sp? 

 Bi * A-Asynvwuetricu-m.. 



(venh-a.1 vie>v) 

 Bl' same (SicU view.) 

 C i = A. Sulcatum-. 



(ventraJ view-) 

 Cx - same (side view.) 

 B ■ = A. hevd>rvATLL. 



(ve-n.tra.1 view.) 

 Di = same (side view-} 

 Ei = Gym.TVodiTLLUTTL.sp? 



(ve-n.tTa.1 view.) 

 E X * S<s.me (side) 



>v i Nucleus- 



produced by them was distinctly greener than that caused by 



the Dinonagellates. 



