206 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY, 



December.. Diatoms, PleurobracJiia, Sagitta, Copepoda, 

 Oikopleura. 

 Coscinodiscus and Biddulphia were the diatoms 

 found. All the Copepoda already mentioned, with the 

 exception of Labidocera and Euterpina were present. 

 Podon leucharti represented the Cladocera. 



Port Erin, 1904. 

 Characteristic Organisms. 



January ... Diatoms, Sagitta, TomopteHs, Copepoda, 

 and Alcyonium eggs. 



.February .. Diatoms, Acanihometra, Sagitta, Copepoda, 

 larval Echinoderms, Oikopleura, " Mit- 

 raria " larvae, Ascidian eggs, and one 

 species of fish egg. 



March ... Diatoms, Sagitta, Copepoda, Medusoids, larval 

 Echinoderms, Ascidian eggs and three 

 species of fish eggs. 



April ... Diatoms, Sagitta, Autolytus, Tomopteris, 

 Medusoids, Oikopleura, larval worms, 

 Copepoda, Copepod nauplii, Crab Zoea, 

 larval shrimps, Barnacle nauplii, and two 

 species of fish eggs. 



May ... Diatoms, Gelatinous algae, PleurobracJiia, 



Sagitta, Autolytus, Copepoda, Cladocera, 

 Oikopleura, Aleyomuni eggs, " Mitraria " 

 larvae, Copepod nauplii, Crab Zoea, larval 

 shrimps, and five species of fish eggs. 



June ... Diatoms, PleurobracJiia, and Medusoids, 

 Sagitta, Autolytus, Tomopteris, Copepoda, 

 Cladocera, Crab Zoea, larval shrimps, 

 seven species of fish eggs, young Gadoids 

 and one young yellow gurnard. 



July . . . PleurobracJiia and Medusoids, Sagitta, Cope- 



