48 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



Dinophysis atlantica. 



Ceratium tripos (abundant). 



C. fusus. 



Globigerina bulloides. 



Coscino discus radiatus. 



Trichodesmium erythrceum (very abundant). 



Copepoda, few, some larvae : — 

 Oithona spinifrons (common). 

 Ectinosoma atlanticum (few). 



10. August 9th, 7 p.m., to August 10th, 9 a.m. ; from 

 lat. 56° 8' N, long. 38° 6' W., to lat. 55° 22' N., long. 

 44° 11' W. Nets kept separate. 



(A.) Nets on overflow pipe (large gatherings) ; 200 cc. : — 



Ceratium tripos. 



Peridinium diver gens. 



Coscinodiscus radiatus. 



Sagitta sp. 



Limacina retroversa. 



Cliona borealis. 



Halocypris a tlan tica . 



Conchozcia spinirostris. 



Euthemisto compressa (many young). 



Copepod, Nauplei and 



C alarms finmarchicus (great abundance). 

 Heterochceta spinifrons (rare). 

 Euchata marina (few). 

 Oithona spinifrons (few). 

 Scolecithrix dance (rare). 



(B.) Nets on tap, with much less material (12 cc.) 

 and smaller forms : — 



Peridinium diver gens (very abundant). 

 Ceratium tripos. 



