218 Proceedings of the Royal Physical Society. 



Caprella acanthifera (Leach). 



Firth of Forth {Bell Collection^ Oxford, 



Eev. J. Gordon). 

 C. tuherculata (Guerin). 



Firth of Forth {Brit Mas). 

 C. typica (Kroyer). 



Firth of Forth {Bell Collection, Oxford). 



ISOPODA. 



NORMALIA — 



BoPYRIDtE. 



Phryxus dbdominalis (Kroyer). 



Off St Abb's Head, 40 fathoms {Metzrjer). 



P. ;pagiiri (Eathke). 



Firth of Forth (J. Anderson, M.D., Proc. 

 Poy. Phys. Soc, vol. ii.). 



Cryptothiria halani (S. Bate). 



The female of this sj)ecies was described 

 by Mr H. Goodsir, from the Forth, as the 

 male of Balanus halanoides. 



ASELLID.^. 



Munna kroyeri (H. Goods.). 



Firth of Forth {Brit. Mus). 



This species was discovered in the Forth 



by Mr H. Goodsir. 

 Limnoria lignorum (Eathke). 



We obtained it at Elie. 



Arcturid^. 

 Arcturus longicornis (Sowerby). 



Firth of Forth {Brit. Mus) ; Firth of Forth 

 Ed. Mus.)) Bass Eock, 24 fathoms 

 {Metzger). 



The specimens from which this species was 

 described and figured were obtained by 

 Mr Simmons, near Inchkeith. We have 

 frequently dredged this species in many 

 parts of the Firth. 



