70 



TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



At the end of October another rope, which had been 

 sunk in the bay since June with a bag of oysters, was 

 hauled up, and the upper 4 or 5 feet, much covered with 

 algae, was removed for examination in the laboratory. It 

 was found to have the following organisms adhering : — 

 Alg^e (identified by Prof. Harvey Gibson) : 



Ceramium rubrum, C. Ag. 

 C. striatum, Harv. 

 G. deslong champ sii, Chauv. 

 Ghantransia daviesii, Thur. 

 G. virgatula, Thur. 

 Besmarestia aculeata, Lamx. 

 Polysiphoniaurceolata, Grev. 



P. nigrescens, Grev. 

 P. elongata, Grev. 

 Bictyota dichotoma, Lamx. 

 Sphacelaria cirrhosa, C. Ag. 

 Enteromorpha clathrata, J.Ag. 

 Monostroma loitrockii, Born. 

 Colonies of Gomphonema. 



Zoophytes (identified by Miss L. E. Thornely) : 



Obelia geniculata 



0. longissima 



Gytia johnstoni 

 Polyzoa (Miss Thornely) : 



Membranipora pilosa 



Eucratea chelata 

 Tunicata (Miss J. H. Willmer) 



Diplosoma gelatinosum 

 Crustacea (identified by Mr. A 



Hippolyte varians 



Idotea marina 



Hyale nilssojiii 



Apherusa bispinosa 



Bexamine spinosa 



Bougainvillea mtcscus 

 Opercnlarella lacerata 



Scrupocellaria reptans 

 Schizoporella hyalina 



Ascidiella virginea 

 0. Walker) : 

 Gammarus locusta 

 Lilljeborgia kinahani 

 Ampliitlioe rubricata 

 Podocerus falcatus 

 Gaprella acanthi/era. 



The Drift Bottles and Surface Currents. 



In last year's report the scheme for the distribution of 

 drift bottles over the Irish Sea, for the purpose in helping 

 to determine the set of the chief currents, tidal or other- 

 wise, which might influence the movements of fish food 



