•38 



time becoinr vcj'v aliiiiiflaiil alonj^' tlio Wolsli consl 

 extendinrr to Fishpruard J3ay. but apparently did ]iot 

 come vciy ojose to the land. None of the tfiw-nettinps 

 iakcn l»y the steamer produeed a single (•o])e]iod, wliilc 

 fiiose taken oi¥ Tremadoe, Aheraron and Kihin Head, 

 yielded six sjx'eies. Out of a total of thirty oi'^auisiiis 

 only ei<;-lit occnricd ]>etween two and three juih's from tlir 

 laud. The alga was entirely absent fjom the tow- 

 nettings taken by the Fisheiv Ottieers. TJie crjlleetiou 

 fioni P(»it Jilriu showed a great change frojii the juevious 

 month, and twenty organisms were iioted. ('htciocn-os 

 had entirely vanished, its place being taken by a swarm 

 of Rhizomlcnid which was represented by a few indivi- 

 • luals in May. 



The organisms in Cardigan lh\y plankton atiaine*! 

 ihei]- highest numbci- in -Inly. I'^leven collections were 

 tidvcn and thirty-six ditferent forms, with a fairlj' 

 nnifoi?n distribution, weic found to be present in the 

 area. No other portion of the Irish Sea, at any time 

 during 1!)05 contained planktcm so varied as occurred in 

 this l)av in the months of Mav, -riine, Julv and Auerust. 

 Yarions unusual forms appeared in July su(h as the 

 larvEe of the crustaceans Jaiveu, Sqitilla, and lobsters, also 

 the rare co})e])ods Fontdla loh'uuicni and M onstrilla 

 (iiujlha. The gelatimnis alga was gradually disappearing 

 from the water. The only areas that contaijied any 

 were Carnarvon Bay and Bahama Bank oif the Isle of 

 Man. Diatoms were practically absent in all t-he regions 

 investigated, a very few Rhlzosolcind Avere noted at Poit 

 Erin and in Cardigan Bay, and CosrhuHiiscm at Port Erin 

 only. 



The tow-nettings taken dujing August numbered 

 fourteen. Ten of these were collected b}' the steamer, 

 and the remaining- four bv the Fishery Officers. A con- 



