PENGELLY— FOSSILS OF DEVOID AND CORNWALL. 
19 
in common with those of the Carboniferous group, namely, six Echi- 
noderms, one Crustacean, six Bryozoons, twenty-four Brachiopods, 
four Lamellibranchiates, ten Gasteropods, and seven Cephalopods, 
but no corals or sponges ; so that it cannot be said that " there is a 
blending of Silurian and Carboniferous corals in Devonshire," what- 
ever there may be elsewhere ; for thougli, as has been stated, three 
Silurian corals have been found, not one referable to the Carboniferous 
Fauna has been met with there. This assertion is made on the au- 
thority of Messrs. Edwards and Haime, who, in their monograph on 
' The British Fossil Corals from the Mountain Limestone,' state that 
" seventy-six species have already been found in the deposits apper- 
taining to this geological division, and the presence of none of these 
corals has as yet been satisfactorily proved in beds belonging to any 
other period."* Again, in their monograph on ' British Devonshire 
Fossil Corals,' they say, — " Three of tliese Devonian fossils exist 
also in the Silurian rocks, but all the others appear to be peculiar to 
the Devonian period. "t This was the language, in 185'i, of the 
zoophytologists selected by the Palaeontographical Society to prepare 
a monograph on this branch of palaeontology, who were thoroughly 
acquainted with the literature of the subject, and who had had access 
to almost every public and private museum and collection in the 
United Kingdom. 
The fifty-eight species which passed from the Devonian to the 
Carboniferous period are found in the three principal fossiliferous 
deposits of Devon and Cornwall, as exhibited in the following 
table : — 
TABLE III. 
Totals. 
L. S.D. 
U.N.D. 
u.c. 
6 
3 
2 
1 
1 
1 
6 
3 
"2 
"2 
24 
15 
8 
7 
4 
2 
2 
10 
6 
"3 
3 
7 
2 
3 
58 
34 
17 
18 
It is, perhaps, worthy of remark that the five areas have a smaller 
number of organic forms in common with one another — closely con- 
nected as tliey are both in space and time — than they have, as a 
M hole, with Devonian deposits in continental Europe and elsewhere 
beyond the British Isles, or with the Carboniferous rocks of Ireland 
and central and northern England. 
* Monograph of British Fossil Corals,' by Messrs. Edwards aud Haime, p. 150. 
t Ibid. p. 212. 
