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TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



Plankton" caught in the Tow-Net at Port Erin: — 



1. Nauplius or larval Copepod. 



2. Sagitta, the Arrow- Worm. 



3. Larva of Univalve Mollusc. 



4. The pelagic worm Tomopteris. 



5. Larva of a Polyzoon. 



6. Larva of a Polychaete Worm. 



7. Larva of a Starfish. 



8. Pluteus larva of an Ophiuroid. 



9. Temora, a Copepod. 



10. Medusoid budded from a Zoophyte. 



11. Pleurobraohia. 



12. Pseudocalanus, a Copepod. 



13. A pelagic fish-egg. 



