OF THE FIRTH OF FORTH. 61 
II. Eurystoma— 
BEROID. 
Idyia ovata (Less.). 
Firth of Forth (F. £. S.). 
We have obtained this form in the autumn, 
off Elie. It is the Beroe ovata of Esch- 
scholtz. 
ACALEPHA. 
Aurelia aurita (Linn.). 
' Very common in the autumn months; 
often stranded on the beach. 
Cyanea capillata (Eschsch.). 
Common in all the lower reaches of the 
Firth, in the autumn. 
ZOANTHARIA. 
I. ACTINARIA— 
SAGARTIADA. 
Actinoloba dianthus (Ellis). 
Firth of Forth, on rocks uncovered only 
at very low tides (7. S. W.); Firth of 
Forth (Colds.) ; Firth of Forth 'B.). 
Sagartia troglodytes (Johnst.). 
Firth of Forth (7. S. W.) ; Firth of Forth 
(MB.). 
This species is commonly found on the 
shoreat very low water. We have obtained 
it at Elie, Aberdour, and elsewhere. 
The variety S. prasina of Gosse, found by 
Dr Strethill Wright in the Forth, is an 
inhabitant of deeper water. We have 
dredged a considerable number of speci- 
mens of it in the neighbourhood of Inch- 
colm in 10 to 18 fathoms. It is charac- 
terised by having the disc and tentacles 
of a bright green colour. 
