SEA-FISHERIES LABORATORY. 175 



were so marked. In some cases these visits were strictly 

 local, and in others diffused over a wide area. The 

 following arc the most striking instances, giving the date 

 and locality of the occurrence, and also the name of the 

 organism : — 



Jan. 26. Patches Buoy, Aberystwyth. Sagitta. 



„ 27. Off Llanon, Cardigan Bay. ,, 



Feb. 21. Tremadoc Bay. Diatoms (Coscinodiscus). 



Mar. 28. Off the mouth of the Duddon. Sagitta. 



April 4. Carnarvon Bay. Ostracod stage of Barnacles. 



,, 18. Tremadoc Bay. Copepods (Temora longicornis) . 



,, 29. Off New Quay Head. „ ,, ,, 



May 11. Port Erin. Diatoms (Cluetoceros) . 



June 11. Bed Wharf Bay. Diatoms (Coscinodiscus and 

 Biddulphia). 



,, 15. New Quay Head. Copepods (Centropages and 

 Acartia). 



,, 19. Port Erin. Diatoms (Rhizosolenia) . 



,, 23. Fishguard Bay. Crustacea (Megalopa of Crabs) . 



,, 27. Llandudno Bay. Noctilnca. 



„ 28. Off Puffin Island. 



,, 29. Entrance to Mersey. ., 



,, 30. Blackpool. ,. 



July 5. Red Wharf Bay. 



,, 5. Beaumaris Bay. 



,, 7. Off St. Tudwall Islands. Porcellana zoea. 



,, 7. Off Nelson Buoy, Ribble. Noctilnca. 

 13 



,, 14. Off Ynys Fach, Cardigan Bay. Megalopa of 



Crabs. 

 ,, 17. Tremadoc Bay. Copepods, Temora and Acartia. 

 ,, 18. Off Nelson Buoy, Pvibble. Cladocera (2 species 



of Podori), 



