242 GEOLOGICAL NOMENCLATURE 
I 2 3 + 
CANADIAN GEOLO- | ELLS & FLETCHER. DAWSON DAWSON 
GICAL SURVEY. IN NEW BRUNSW’K.| IN Nova SCOTIA. 
CARBONIFEROUS 
SYSTEM. | 
: Permian, or Upper | Upper 
Permian. Carboniferous. Carboniferous. 
Coal Measures. Coal Measures. Coal Measures. Unica, or Salinon 
| 
Millstone Grit. Millstone Grit. Millstone Grit. Riversdale. 
: : Windsor Series (Up- 
Carboniferous Carboniferous SO Ae 2 z 
Limestone. Limestone. Windsor Series. as che eae 
Carboniferous Carboniferous Horton Series or | Horton Tweedian of 
Conglomerate. Conglomerate. *Albert Shales. Scotland.t 
DEVONIAN 
SYSTEM. 
Catskill. Perry. 
Union, including 
ROChS MORE et. —————— ee 
eee A aan Logan’s Devonian 
Chemung. p Mispec. or eton ROR or 
Brookfield. 
Riversdale, Harring- - 
sa? ; Cordaite Shales 
: ton River (4000 ft). ees . 
Hamilton. MacKay Head and Dadexyion Sand- 
Horton.t | sone. 
i oa 
Corniferous. Basal Conglomerate. | Bloomsbury. | 
Oriskany. 
| Dr. G. a Matthew 
suggests placing 
SILURIAN SYSTEM. the Cordaite Shales 
in the Silurian. 
* An unconformable series beneath the lower carboniferous limestone and con- 
glomerate. 
+ The relation of the Horton to the beds immediately overlying the Silurian has not 
yet been worked out. 
