36 THE INVERTEBRATE FAUNA 



Firth of Forth (MB) ; oyster beds, Firth 

 of Forth (Grant) ; Newhaven, on the 

 fishermen's nets (Dr LandsborougJi). 

 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. 



MEMBRANIPORID^E. 



Membranipora catenularia (James.). 



Firth of Forth (Ed. Mus). 

 This is the Hippofhoa catenularia of John- 

 ston and other authors. 



M. pilosa (Linn.). 



On Laminaria, etc. (M'B) ; Firth of Forth 

 (Ed. Mus) ; off Fidra, 7 fathoms (nob.). 

 This species is abundant, usually on the 

 larger Algae, in most parts of the Firth ; it 

 is often found cast ashore after storms. 



M. memlranacea (Linn.). 



Also extremely abundant on Algse, espe- 

 cially Laminaria fronds ; on stones at low 

 water (M'B). Off Fidra, 7 fathoms (nob.). 



M. lineata (Linn.). 



Firth of Forth (C. W. P) ; Firth of Forth 

 (M'B). 



M.flemingi (Busk). 



Newhaven (C. W. P). 



, CRIBRILINID^E. 



Cribrilina radiata (Moll). 



On shells and stones (M'B). 



The Lepralia innominate of Johnston, etc. 

 C. punctata (Hassall). 



Firth of Forth (C. W. P) ; Firth of Forth 



(Ed. Mus). 



The Lepralia punctata of Johnston and 



Busk. 



