46 
THE ROYAL SOCIETY OF CANADA 
CONSPECTUS OF THE CAMBRIAN ROCKS IN NEW BRUNSWICK, 
Approxi- 
mate 
thickness | 
in feet | 
Kind of 
sediment, &c. 
1000 
feet 

Dark gray 
shale, &c. 
Black shale 
or slate 
Dark gray 
shale or slate 
| Some sandy 
and calcareous 
layers 
Gray flags and 
sandstones 
coarse gray 
slate 
Gray shale 
or slate 
Green’h gray 
| shale, gray 
| sandstone at 
nal 
oO 
® 
+ 
the base 
| Red slates and 
Sandstone 
Volcanic ash 
and breccia, 
felsites and 
| diorites 





CANADA. 
Local 
Genera of classi- 
Tribolites, &c. fication 
Dichograptus 
Tetragraptus 
Dictyonema 
Clonograptus 
Bryograptus | Div. 3. 
—__—_—————_|Breton- 
Sphærophthalm| ian 
Ctenopyge 
Leptoplastus 
Peltura 
Parabolina St 
John 
Div. 2.|group 
Lingulella, &c.| Johan- 
nian 
Solenopleura 
Liostracus 
Conocoryphe 
Paradoxides |Div. 1. 
Microdiscus  |Acadi- 
an 
| Agraulos 
Protolenus 
Obolus Etche- 
Hyolithes minian | Basal 
Cam- 
brian 
No fossils in Cold- 
New Bruns- | brook- 
wick ian 


* At Hanford Brook, St. Martin’s. 


Classification 
Salter Walcott 
and Hicks 
Lower Lower 
Silurian Ordovi- 
(part of) cian 
Upper Upper 
Cambrian |Cambrian 
Middle 
Cambrian 
Middle 
Cambrian 
Lower 
Cambrian 
Lower 
Cambrian 
