OF THE FIRTH OF FORTH. 37 
Membraniporella nitida (Johnst.). 
Firth of Forth (C. W. P.) ; on shells, rocks, 
ete. (MB.). 
The Lepralia nitida of Johnston and 
Busk. 
MICROPORELLIDA. 
Microporella ciliata (Pall.). 
Firth of Forth (C. W. P.); on rocks and 
Fuci (MB.). 
The Lepralia ciliata of Johnston and Busk. 
M. malusii (Audouin). 
Newhaven (C. W. P.); on shells, etc. 
(MB.). 
The Lepralia biforis of Johnston. 
MYRIOZOID. 
Schizoporella linearis (Hassall). 
Newhaven (C. W. P.) ; Firth of Forth (Ed. 
Mus.). 
The Lepralia linearis of Johnston and 
Busk. 
S. auriculata (Hassall). 
Firth of Forth (C. W. P.). 
The Lepralia auriculata of Johnston and 
Busk. 
S. hyalina (Linn.). 
On Algee, stones, and corallines (A/B.). 
Hippothoa divaricata (Lamk.). 
We dredged this species in the Firth last 
summer. 
ESCHARIDA. 
Porella compressa (Sowerby). 
Fifeshire coast, rare (J. G.). 
The Cellepora cervicornis of Johnston, Busk, 
and other authors. 
Smittia trispinosa (Johnst.). 
Firth of Forth (C. W. P.). 
The Lepralia trispinosa of Johnston. 
