ANTICOSTI ISLAND FAUNAS. 
17 
two to one and in respect to individuals there is no comparison. 
The species are: — 
1 
Chonophyllum canadense 
28 
Dalmanella 
elegantula med' 
2 
Clathrodictyon variolare 
ta 
3 
C. 
vesieulosum 
29 
Eospirifer 
radiatus 
4 
Ccenites 
labrosus 
30 
Leptaena 
rhomboidalis 
5 
Cyathophyllum anticostiense 
31 
Parastrophia 
ops 
6 
C. 
articulatum 
32 
Pentamerus 
oblongua 
7 
Favosites 
favosus 
33 
Rhipidomella uberis 
8 
F. 
forbesi 
34 
Conocardium elegantulum 
9 
F. 
gothlandicus 
35 
Cyclonema 
communis 
10 
F. 
nisingeri 
36 
C. 
decora 
11 
Halysites 
catenulatus 
37 
c. 
varians 
12 
Heleolites 
interstincta 
38 
Platyceras 
niagarensis 
13 
H. 
megastoma 
39 
Actinoceras 
back! 
14 
H. 
subtubulata 
40 
A. 
medon 
15 
Lyellia 
affinis 
41 
Huronia 
vertebralis 
16 
L. 
americana 
42 
Oncoceras 
amator 
17 
Paleofavosites aspera 
43 
Orthoceras 
bucklandi 
18 
Piasmopora 
petalliformis 
44 
O, ? pileolum 
19 
Zaphrentis 
stokesi 
45 
O. 
n. sp. 
20 
Z. 
n. sp. 
46 
Phragmoceras n. sp. 
21 
Crotallocrinus sp. 
47 
Cheirurus 
nuperus 
22 
Fenestella 
bella 
48 
Goldius 
insularis 
23 
Pachydictya 
crassa 
49 
Harpes 
consuetus 
24 
Atrypa 
marginalia 
50 
Illaenus 
grandis 
25 
A, 
reticularis 
51 
Pseudosphserexochus canaden- 
26 
Camarotoeehia vicina 
SIS 
27 
Cyrtia 
exporrecta myr- 
tea 
CORRELATION. 
The English Head and Charleton formations are correlated 
directly with the whole of the Interior Richmond and are con- 
sidered the almost exact time equivalents, the great number of 
species common to the two regions and the order of their vertical 
occurrence rendering the correlation practically positive and lead- 
ing to the inference that direct and open communication pre- 
vailed between the two regions during the times of deposition of 
at least the upper portion of the English Head formation and 
the whole of the Charleton. The common species are: — 
1 
Rusophycus 
bilobatum 
7 
Lyopora 
goldfussi 
2 
Hindia 
fibrosa 
8 
Mesograptus putillus 
3 
Beatrida 
nodulosa 
9 
Streptelasma rusticum 
4 
B. 
undulata 
10 
Cornulites 
richmondensis 
5 
Calapoecia 
canadensis 
11 
Arthroclema 
angulare 
6 
Columnaria 
alveolata 
12 
Bythopora 
striata 
