OF THE FIRTH OF FORTH. 59 



PORIFERA. 



The nomenclature of the Fibrous Sponges adopted in this 

 article is that of Professor Oscar Schmidt, as given in his 

 "Grundzuge einer Spongien-Fauna des Atlantischen Gebietes," 

 Leipzig, 1870. A number of the specimens we have found 

 in the Forth are not yet identified. 



CALCAEEA. 



Grantia compressa (Fabr.). 



Not uncommon in the littoral zone. We 



have obtained it at Elie, Wardie, and in 



other parts of the shore on both sides 



of the estuary. 

 G. ciliata (Fabr.). 



Frequent on roots of Laminar ia, in the 



lower littoral zone, at North Berwick, etc. 

 Leuconia nivca (Grant). 



Under surface of sheltered rocks, Preston - 



pans Bay (Flem.). 



We have obtained this species at Aber- 



dour, and near Elie. 



FIBKOSA. 



CHALINID^:. 



Chalinula oculata (Pallas). 



We have found this species on the pier at 



Newhaven. It is the Chalina oculata of 



Bowerbank. 

 Isodidya infundibidiformis (Bowerb.). 



Firth of Forth (Ed. Mm.}. 

 I. simulans (Johnst.). 



We obtained this species at Elie. 

 /. palmata (Johnst.). 



We have dredged this species in the Firth, 



and have also found it on Newhaven 



pier. 



