OF THE FIRTH OF FORTH. 17 
in profusion in some places, and attains a 
large size. 
Thwuwiaria thuja (Linn.). 
Firth of Forth (J/B.); near Inchkeith 
(Zh.); Leith shore (£. J.); Firth of Forth 
(Ed. Mus.) ; Firth of Forth (F. £. S.). 
Common in 5 fathoms and upwards. 
T. articulata (Pallas). 
We dredged this species near Inchkeith 
last summer. 
PLUMULARIIDZ. 
Se antennina (Linn.). 
Firth of Forth (B.). 
We have dredged this species several 
times. It is sometimes found cast up on 
the beach. 
A. ramosa (Lamk.). 
Firth of Forth (6); Firth of Forth, 
in 25 fathoms (fF. #. S.). 
We dredged this species last summer in 
10 fathoms. It is not nearly so common 
in the Firth of Forth as A. antennina, but 
at Lamlash, on the west coast, it occurs in 
profusion, and is much the commoner of 
the two species. 
Plumularia pinnata (Linn.). 
Firth of Forth (/B.); Firth of Forth 
(Ed. Mus.); Firth of Forth, 25 fathoms 
(Fo B.oS.). 
Not uncommon; dredged last summer 
between Inchkeith and Kirkcaldy. 
P. setacea (Ellis). 
Firth of Forth (/£.). 
We obtained this species plentifully at 
low water mark near Elie some years ago. 
P. catharina (Johnst.). 
Firth of Forth (B.); Firth of Forth 
(Colds.) ; Firth of Forth, on a sandy and 
B 
