314 Proceedings of the Boyal Physical Society. 



ALCYONAEIA. 



Virgularia mirabilis (Linn.). 



We found this abundant in 5 to 10 fathoms, 

 between Aberdour and Inchcolm, on a bot- 

 tom of stiff blue mud. 



OPHIUEIDEA. 



A7nphiura filiforrnds (MiilL). 



We have dredged this species on several 

 occasions lately near Inchcolm, 18 fathoms. 



HOLOTHUEOIDEA. 



Psolus phantaptos (Linn.). 



Professor R. 0. Cunningham informs us 

 that he has frequently obtained this 

 species, taken at the entrance to the Firth, 

 from the Prestonpans fishermen. 



POLYZOA. 



Bugula purpurotincta (Norman). 



We have dredged this in considerable 

 quantity on the west and north-west sides 

 of Inchcolm, in 10 to 15 fathoms. 



CIRRIPEDIA. 



Balanus hameri (Ascanius). 



Professor Cunningham writes, " I once 

 obtained a magnificent mass attached to a 

 stick, which it covered for about 2 feet." 



AMPHIPODA. 



Byhlis gaimardi (Kroyer). 



St Abb's Head, 40 fathoms (Metz.). 



Corophium Imigicorne (Latr.). 



Very abundant in the mud flat at Morri- 

 son's Haven {Cunningham). 



Dexamine spinosa (Leach). 



Low water, Prestonpans (Cunningham). 



