190 



TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



December. 





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Coscinodiscus 



+ 





+ 



+ 

 + 





+ 



+ 















+ 





Biddulphia 

















Rhizosolenia 





















Chaetoceros 



























+ 





Ceratium tripos 







+ 

 + 



+ 

 + 





















Ceratium fusus 



+ 

 + 

 + 







+ 

 + 



+ 

















Ceratium f urea 



















Noctiluca 





+ 



+ 



















Acanthometra 













+ 

 + 

 + 

 + 

 + 





Phi teus 















::.::.[::::: 













Pleurobrachia pileus 



+ 





+ 



+ 





+ 



i 











+ 



Medusoid gonophores 



i 











Alcyonium eggs 



























Sagitta bi punctata 



+ 





+ 



+ 





+ 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 













-f- 



Autolytus prolifer 















+ 



Tomopteris oniscif ormis 













1 











+ 

 + 

 + 



+ 



Larval Polychseta 







+ 

















+ 



" Mitraria " 



















Meganyctiphanes norvegica. . . 













i 



















































::::::::::::::: 









+ 

 + 

 + 

 + 

 + 



+ 



Pseudocalanus elongatus 







+ 



+ 

 + 

 + 

 + 

















-f- 





+ 

 + 

 + 

 + 





+ 

 + 

 + 

 + 















-f 















+ 















+ 



Centre-pages hamatus 









































+ 



+ 

















+ 



+ 























Monstrilla anglica 

























+ 



Monstrilla longicornis 

























+ 

 + 



+ 



Oikopleura 













+ 

 + 



24 

















Fish eggs 



























10 



— 



13 



12 



— 



— 



— 



— 



— 





— 



20 



13 



