SEA-FISHERIES LABORATORY. 



179 



The following Tables show the occurrence from month 

 to month of the various organisms identified in the 

 plankton from the areas named : — 



January. 





o 

 o 



ft 



3 



3 



i-h as 



© d 



*3 . 



PQ 



. f-H 



o 



1 



9 





© 

 O . 



Sfcl d 



0£ 



B 



© 

 O 



£™ 



W 6 



© 

 O 



£^ 



c3 



-a a 

 mm 



© 

 ft 

 © 



a 

 h3 



H 



o 



m 



1 

 PQ 



© 



Chaetoceros 















1 



1 





+ 

 + 

 + 

 + 

 + 





Biddulphia 











1 













Coscinodiscus 











1 













Ceratium tripos 

























Sagitta bipunctata 





+ 





+ 

 + 





+ 

 + 













Autolytus prolif er 















Tomopteris onisciformis 













1 





+ 





" Mitraria " 













+ 

 + 







1 







Meganyctiphanes norvegica. . . 









+ 



+ 

 + 



+ 



+ 

 + 







1 









Mysis stage of Crangon 





+ 

 + 









1 









Calanus helgolandicus 







+ 

 + 

 + 



+ 

 + 

 + 







1 









Pseudocalanus elongatus 









1 





+ 

 + 





Paracalanus parvus 





+ 

 + 









L 







Temora longicornis 









1 







Acartia clausi 







+ 



+ 



+ 

 + 

 + 

 + 

 + 







1 









Centropages hamatus 





+ 









1 









Anomalocera patersoni 









+ 

















Oithona similis 





















+ 





Fish eggs 







































1 















— 



6 



— 



7 



7 



12 



— 



— 



— 



— 



— 



— 



9 



— 



