31 



woro so mai'kod. In some cases these visits wore strictly 

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

 following are the most strikinj)- instances, g-iviug the date 

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

 ortranism : 



• )au. 'li'). Patches Buoy, Aberystwyth. Sai/ifiii. 



•27. Ott' Llaiion. Cardi<)an Bay. ., 



Feb. 'Jl. Tremadoc liay. ])iatoms (Coscuiodisciis). 



Mar. 28. Off the moutli of the Buddon. Sagltfo. 



April 4. C'ariiaiNOii Bay. Ostracod .stage of Barnacles. 



,. Is. Treinadoc Bay. Copei[)odH Crfiiinra loiujiconils). 



.. 2i>. Off New Quay Head. 



May II. I'ort Erin. ])mtoms, (Cluetoct^ros). 



June 11. Bed Wharf Bay. Diatoms (('oHcinodiscus and 

 HiiUliilpliia). 



,, If). New Quay Head. (.'opepods (( 'fiitropat/es and 



Acartia). 



., 19. Port Erin. Diatoms {lihizosulenia). 



.. 28. Fishguard Bay. Crustacea (Megalopa of Crabs). 



,, "27. Llandudno Bay. .\orfili(r((. 



„ 28. Oti" Puftin Island. 



,, 21). Entrance to Mersey. ., 



., 'M). Blackpool. ., 



July 5. Red Wharf Bay. 



,. ;■). Beaumaris Bay. 



7. Oft' St. Tudwall Islands. Porcdkoia zoea. 



., 7. Off Nelson Buoy. Eibble. XoctiJvca. 

 „ 13. 



.. 14. Oft' Tnys Each, Cardigan Bay. Megalopa of 



Crabs. 



,, IT. Iromadoc Bay. Copepods, Teniora and Acartia. 



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

 of Podun). 



