132 



MARINE FAUNA OF ST. ANDREWS. 



Genus Spirorbis, Daud. 

 Spirorbis borealis, Daud. ; Mgrn. op. cit. p. 122. 

 Abundant on seaweeds and stones between tide-marks. 



Spirorbis lucidus, Mont. ; Mgrn. op. cit. p. 123. 

 Common on zoophytes from deep water. 



