NATURE ADRIFT 



2. The mixed Atlantic and Shelf water, found in the northern North Sea 

 (Plates XXXVII and XXXVIII), parts of the Irish Sea, the contmental shelf 

 of Britain, Norway, Faroe, Iceland etc with: 



Metridia liicciis 

 Caiidacia aniiata 

 Thysauoessa iiici'Diis 

 Clioiic liniaciiia 

 Spiratclla retro versa 



3. The North Atlantic Drift with: 

 Sagitta serratodeiitata 

 RliiHcalaiiiis uasutiis 

 Eiicliaeta hebes 

 Laodicea iiiidtilata 

 Cosiiietira pilosella 

 Leiisia coiioidea 

 Pliysophora Jiydrostatica 

 Agaliiia elegans 

 Diiiiopliyes arctica 

 Lepas species 

 Salpa fusiforiiiis 

 DoUoletto gegenhauri 



arrow-worm 



\ 



CO 



pep 



ods 



euphausid 

 molluscs 



arrow-worm 

 copcpods 



)pcpc 



)- medusae 



J 



1 

 j'siphonophores 



J 



stalked barnacles 



J 



;>Thaliacea 



4. The Lusitanian Stream (from the area near Gibraltar and the Bay of 

 Biscay) with: 



Sagitta lyra arrow-worm 



Siphonophores (except those in 3) 

 Phyllosoma larvae of spiny lobster 

 Phroiiiiiia amphipod 



Thalia deiiiocratica 

 Dolioliiia iinilleri 



I^Thaliacea 



5. Water of arctic or boreal origin, with: 



Sagitta inaxiiiia 

 Enkrohnia lianiata 

 Calaniis liyperhoreiis 

 Metridia loiiga 

 Pareuchaeta harhata 

 Spiratella heliciiia 



1 

 )- arrow-worms 



J 



copcpods 



mollusc 



J 



144 



