OF THE FIRTH OF FORTH. 35 
We have dredged this species several times, 
last summer and previously. 
Bugula avicularia (Linn.). 
Firth of Forth (2). 
We dredged this species last summer to 
the west of Inchkeith in 5 fathoms. 
B. plumosa (Pallas). 
Dredged last summer. 
B. murrayana (Johust.). 
Leith and Newhaven, on the fishermen’s 
nets (D. Landsborough, jun.). 
CELLARIID&. 
Cellaria fistulosa (Linn.). 
This species is common in the Forth. We 
have dredged it frequently on the oyster 
bank, and took it last summer in 14 
fathoms, off Longniddry. 
The Salicornaria farciminoides of John- 
ston and others. 
FLUSTRID. 
Flustra foliacea (Linn.). 
Common on the oyster bank. We have 
taken it lately from 12 fathoms, north- 
east of Inchkeith; 5 fathoms, west of 
Inchkeith ; and 4 fathoms, off Aberdour. 
F. securifrons (Pallas). 
The Flustra truncata (Linn.) of Johnston, 
Busk, and others. Leith, Dirleton, and 
opposite the Bass Rock (D. Landsborough, 
jun.); Portobello and Firth of Forth, 30 
fathoms (K.) ; Firth of Forth (/‘2.). 
This is a fairly common species in the 
Forth. We have dredged it west of 
Inchkeith in 5 fathoms, and north-east of 
Inchkeith in 12 fathoms. 
F. carbasea (Ell. and Sol.). 
Leith (Colds.) ; Leith Shore (Mr Parsons) ; 
