36 THE INVERTEBRATE FAUNA 
Firth of Forth (/B.); oyster beds, Firth 
of Forth (Grant); Newhaven, on the 
fishermen’s nets (Dr Landsborough). 
This species is common. We have ob- 
tained it frequently from the dredges at 
Newhaven pier, and took it in 7 fathoms, 
off Fidra, last summer. 
MEMBRANIPORIDA. 
Membranipora catenularia (James.). 
Firth of Forth (Hd. Mus.). 
This is the Hippothoa catenularia of John- 
ston and other authors. 
M. pilosa (Linn.). 
On Laminaria, etc. (MB.) ; Firth of Forth 
(Hd. Mus.) ; off Fidra, 7 fathoms (no0.). 
This species is abundant, usually on the 
larger Algze, in most parts of the Firth; it 
is often found cast ashore after storms. 
M. membranacea (Linn.). 
Also extremely abundant on Alge, espe- 
cially Laminaria fronds ; on stones at low 
water (U‘B.). Off Fidra, 7 fathoms (nod.). 
M. lineata (Linn.). 
Firth of Forth (C. W. P.); Firth of Forth 
(B.). 
M. flemingi (Busk). 
Newhaven (C7. W. P.). 
CRIBRILINID&. 
Cribrilina radiata (Moll). 
On shells and stones (M‘B.). 
The Lepralia innominata of Johnston, etc. 
C. punctata (Hassall). 
Firth of Forth (C. W. P.); Firth of Forth 
(Ed. Mus.). 
The Lepralia punctate of Johnston and 
Busk. 
