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TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY 



two were practically identical, and they were more 

 abundant there than of! Dinas Head. On the other hand, 

 Crab Zoea and Megalopa, though tolerably common of! 

 Dinas Head, were quite absent at the Patches Buoy. 

 Four out of the five kinds of fish eggs occurred off 

 New Quay, and two only at the other places. 



Three weeks later, June 14th, the same area was 

 again traversed, and the following are the results then 

 obtained : — 



Patches 

 Buoy. 



Pleurobrachia — 



Sagitta r. 



Autolytus r. 



"Mitraria" r. 



Crab zoea r. 



Crab megalopa — 



Copepoda ab. 



Calarms — 



Pseudocalanus r. 



Paracalanus c. 



Temora c, 



Centropages r. 



Acartia ab. 



Oikopleura — 



Mackerel eggs r. 



Rockling eggs c. 



Weever eggs — 



Common Dragonet eggs — 



New Quay 

 Head. 



r. 

 ab. 



ab. 



Dinas 

 Head. 



r. 



r. 



ab. 



r. 



— 



r. 



There is very little difference in the plankton of the 

 two periods, excepting a natural change in the kind of 

 fish eggs. Copepoda continued to be abundant at the 

 South end of Cardigan Bay, and scarce off Dinas Head. 

 Acartia, which was not seen in the Cardigan Bay 

 collections on May 24th, was extremely plentiful on the 

 second occasion. Crab Zoea were more common off New 

 Quay Head, and had extended to the region of the 



