SEA-FISHERIES LABORATORY. 



183 



May. 



Chaetoceros 



Biddulphia 



Coscinodiscus 



Rhizosolenia 



Gelatinous algae 



Ceratium tripos 



Ceratium furca 



Pleurobrachia pileus .... 



Medusoid gonophores .... 



Pluteus 



Sagitta bipunctata 



Autolytus prolifer 



Larval Polychseta 



" Mitraria " 



Mysis stage of Crangon 



Eurydice 



Zoea of Crabs 



Calanus helgolandicus . . . 



Pseudocalanus elongatus 



Paracalanus parvus 



Temora longicornis 



Acartia clausi 



Acartia discaudata 



Centropages hamatus ... 

 Centropages typicus ... 

 Anomalocera patersoni 



Oithona similis 



Copepod nauplii 



Barnacle nauplii 



Barnacle ostracod stage 

 Podon intermedium 



Oikopleura , 



Ascidian eggs 



Fish eggs 



Fish larvae 









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