74 THE INVERTEBRATE FAUNA 
KELLUD. 
Montacuta substriata (Mont.). 
On Spatangus purpureus, off Inchkeith 
(Com. Mar. Zool.) ; off the Isle of May, on 
Spatangus purpureus, 1854 (MB.). 
M. lidentata (Mont.). 
Single valves on Edinburgh - shores. 
Perfect specimens not uncommon in 
drifted shell sand at North Berwick (JZ). 
M. ferruginosa (Mont.). 
Firth of Forth (Ff. and H., and MB). 
Single valves in drifted shell sand at 
North Berwick (JZ). 
Lasaea rubra (Mont.). 
North Berwick shore; not a plentiful 
shell here (JZ). 
Kellia suborbicularis (Mont.). 
In drifted shell sand at Dunbar and 
North Berwick. I have also taken it 
living at, North Berwick in tangle root 
(IL.). 
We have dredged this species in the 
Firth. 
Mr M‘Murtrie informs us that at Aln- 
mouth, Northumberland, he has taken 
both the species and the variety Jactea, 
living in soft stone in rock pools at low 
water. 
LUCINID. 
Lucina borealis (Linn.). 
Firth of Forth (J/B.). 
Occasionally on the beach at Newhaven, 
North Berwick, etc. (J/.); Elie (nod.). 
Axinus flexwosus (Mont.). 
Firth of Forth (MB. as Lucina flexuosa), 
Cramond Island, and adjoining shore, 
